Class 9th Physics Quizzes: Chapters 1 to 9

Class 9th Physics Quizzes are chapter-wise for students. Test your understanding, spot weak areas, and master your concepts with our engaging and interactive quizzes. Start practicing now and achieve your goals. These quizzes are perfect for students seeking to excel in physics.

Boost your physics skills with our chapter-wise online quizzes.

Unit 1 PHYSICAL QUANTITIES AND MEASUREMENT

Physics l

PHYSICAL QUANTITIES AND MEASUREMENT

1 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

A worldwide system of measurement in which the units of base quantities were introduced is called

a) hexadecimal system

b) prefixes

c) none of the above

d) international system of units

2 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

1.2 kg = ________ g

a) 1200

b) 0.12

c) 120

d) 0.0012

3 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

Length, mass, electric current, time, intensity of light and amount of substances are examples of

a) derived quantities

b) prefixes

c) base quantities

d) quartile quantities

4 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

230 cm = __________m

a) 23.0

b) 2.3

c) 0.23

d) 0.0023

5 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

If a zero line of Vernier scale coincides with zero of main scale, then zero error is

a) one

b) negative

c) zero

d) positive

6 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

A chips wrapper is 4.5cm long and 5.9 cm wide. Its area upto significant figures will be

a) 30 cm2

b) 32 cm2

c) 26.55 cm2

d) 28 cm2

7 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

Ten identical steel balls each of mass 27 gm, are immersed in a measuring cylinder having 20cm3 of water. The reading of water level rises to 50cm3. What is the density of the steel?

a) 13.5 gm/cm3

b) 0.90 gm/cm3

c) 8.1 gm/cm3

d) 9.0 gm/cm3

8 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

Zero error of the instrument is

a) systematic error

b) random error

c) human error

d) classified error

9 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

350 ms = _____________ s

a) 0.35

b) 3500

c) 3.5

d) 350

10 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

All accurately known digits and first doubtful digit in an expression are known as

a) non-significant figures

b) significant figures

c) crossed figures

d) estimated figures

11 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

10010.100 has _______ significant numbers.

a) 6

b) 5

c) 3

d) 8

12 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

0.5 s = __________ ms

a) 5000

b) 500

c) 5

d) 50

13 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

91.60 has _________ significant numbers.

a) 0

b) 2

c) 3

d) 4

14 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

250 gm = ________ kg

a) 2.5

b) 0.025

c) 25

d) 0.25

15 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

An object of mass 100gm is immersed in water as shown in figure 1.27, what is the density of the material from which object is made?

IMG_20260411_201758-225x300 Class 9th Physics Quizzes: Chapters 1 to 9

a) 0.9 gcm-3

b) 0.4 gmcm-3

c) 1.1g cm-3

d) 2.5 g cm-3

16 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

0.8 m = ___________ mm

a) 80

b) 8

c) 0.08

d) 800

17 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

What is the reading of this micrometer in figure 1.28.

IMG_20260411_201315-300x297 Class 9th Physics Quizzes: Chapters 1 to 9

a) 5.43 mm

b) 8.13 mm

c) 6.63 mm

d) 7.30 mm

18 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

980 has ____ significant numbers.

a) 3

b) 0

c) 2

d) 1

19 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

0.0086 has ___ significant numbers.

a) 1

b) 3

c) 2

d) 0

20 / 20

Category: PHYSICAL QUANTITIES AND MEASUREMENT

The figure shows part of a Vernier scale, what is the reading on the Vernier scale

IMG_20260411_201249-300x196 Class 9th Physics Quizzes: Chapters 1 to 9

a) 6.50 cm

b) 7.45 cm

c) 6.55 cm

d) 7.00 cm

Your score is

The average score is 19%

Unit 2 KINEMATICS

Physics l

KINEMATICS

1 / 10

Category: KINEMATICS

Scalar Quantities have ________ and suitable unit.

a) magnitude

b) direction

c) both a and b

2 / 10

Category: KINEMATICS

Which one is a vector quantity? __________

a) Time

b) Weight

c) Mass

3 / 10

Category: KINEMATICS

Distance is a __________ quantity.

a) both a and b

b) vector

c) scalar

4 / 10

Category: KINEMATICS

What is SI unit of acceleration? _____

a) m/s

b) m/s^2

c) nm

5 / 10

Category: KINEMATICS

Vector quantities have ________ along with magnitude and unit.

a) magnitude

b) direction

c) both a and b

6 / 10

Category: KINEMATICS

A body is said to be in ________ if it changes its position with respect to its surroundings.

a) rest

b) motion

c) both rest and motion

d) none of these

7 / 10

Category: KINEMATICS

A body is said to be at _______ if it does not change its position with respect to its surroundings.

a) motion

b) none of these

c) rest

d) both rest and motion

8 / 10

Category: KINEMATICS

Which one is a scalar quantity? ___________

a) Force

b) Velocity

c) Time

9 / 10

Category: KINEMATICS

What is a SI unit of velocity? ______

a) m/s

b) ms-2

c) Nm

10 / 10

Category: KINEMATICS

Shortest distance between two points is called __________.

a) displacement

b) distance

c) speed

Your score is

The average score is 60%

Unit 3 DYNAMICS

Physics l

DYNAMICS

1 / 10

Category: DYNAMICS

It is easier to push an empty shopping cart than a full one, because the filled cart has more mass than the empty one. This can be expressed by ___________.

a) F is greater than m

b) F ∝ m

c) F is less than m

d) F ∝ 1/m

2 / 10

Category: DYNAMICS

Which statement is true for limiting frictional force ?

a) it is greater than sliding friction

b) all are true

c) it is greater than rolling friction

d) it is greater that kinetic friction

3 / 10

Category: DYNAMICS

Newton's First law of motion is also known as law of __________.

a) rest

b) speed

c) inertia

d) force

4 / 10

Category: DYNAMICS

Centrifugal force is always directed ______________.

a) along the circular path

b) away from centre

c) towards center

d) all sides

5 / 10

Category: DYNAMICS

A man pulls a crate of mass 25 kg across leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge?

a) 3.2 ms-2

b) 0.63 ms-2

c) 1.6 ms-2

d) 2.4 ms-2

6 / 10

Category: DYNAMICS

Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision _________________.

a) losses some momentum

b) remains constant

c) none of above is true

d) retains more momentum

7 / 10

Category: DYNAMICS

Quantity of motion contained in body is called _____________.

a) momentum

b) inertia

c) force

d) gravity

8 / 10

Category: DYNAMICS

Weight of a body can be measured using a spring balance, it differs from place to place because of variations in ______________.

a) gravitational pull

b) acceleration

c) velocity

d) size of spring balance

9 / 10

Category: DYNAMICS

Quantity of matter contained in body is called ____________.

a) mass

b) volume

c) area

d) weight

10 / 10

Category: DYNAMICS

Friction opposes motion between two bodies in contact because of ___________.

a) charges on bodies

b) roughness of surfaces

c) weight of bodies

d) none of the above

Your score is

The average score is 38%

Unit 4 TURNING EFFECT OF FORCES

Physics l

TURNING EFFECT OF FORCES

1 / 10

Category: TURNING EFFECT OF FORCES

A body is unstable equilibrium after slight tilt if its center of gravity ____________.

a) passes over the point of contact

b) remains on one side of the point of contact

c) is positioned at its bottom

d) remains above point of contact

2 / 10

Category: TURNING EFFECT OF FORCES

A body is in neutral equilibrium when its center of gravity ___________.

a) is at its lowest point

b) remains at same height

c) is at its base

d) is at highest position

3 / 10

Category: TURNING EFFECT OF FORCES

A tight rope walker carries a long pole to ___________.

a) increase its weight

b) raise his center of gravity

c) keep his center of gravity in fixed position

d) lower his center of gravity

4 / 10

Category: TURNING EFFECT OF FORCES

A pair of unlike parallel forces having different lines force produce ___________.

a) unstable equilibrium

b) torque

c) a couple

d) equilibrium

5 / 10

Category: TURNING EFFECT OF FORCES

Bunsen burner is made stable by ___________.

a) increasing its base area

b) decreasing its base area

c) increasing its length

d) increasing its mass

6 / 10

Category: TURNING EFFECT OF FORCES

A force of 15 N makes an angle of 60° with horizontal.Its vertical component will be _________.

a) 7 N

b) 10 N

c) 15 N

d) 13 N

7 / 10

Category: TURNING EFFECT OF FORCES

Head to tail rule can be used to add ___________ forces.

a) five

b) two

c) three

d) any number of

8 / 10

Category: TURNING EFFECT OF FORCES

A body is in equilibrium when it has _____________.

a) both a and b

b) uniform acceleration

c) uniform speed

d) zero acceleration

9 / 10

Category: TURNING EFFECT OF FORCES

Stability increasing of a racing car is increased by _____________.

a) lowering its center of gravity

b) increasing its height

c) raising its center of gravity

d) decreasing its width

10 / 10

Category: TURNING EFFECT OF FORCES

A body is in stable equilibrium after slight tilt if its center of gravity ______________.

a) is at its lowest point

b) passes over the point of contact

c) remains above point of contact

d) remains on one side of point of contact

Your score is

The average score is 5%

Unit 5 FORCES AND MATTER

Physics l

FORCES AND MATTER

1 / 10

Category: FORCES AND MATTER

What is the unit for the spring constant?

a) Nm

b) Nm-2

c) Nm2

d) Nm-1

2 / 10

Category: FORCES AND MATTER

The figure 5.13 shows a container with three spouts. The container is filled with water. Jets of water pour out of the spouts. Why does the jet of water from the bottom spout goes farthest out from the container?

IMG_20260406_233104-259x300 Class 9th Physics Quizzes: Chapters 1 to 9

a) More water available to flow out from the bottom

b) Pressure increases with depth

c) Pressure decreases with depth

d) Density of water different and different places

3 / 10

Category: FORCES AND MATTER

If a spring stretches easily then it's a spring constant has _________.

a) Small value

b) Constant value

c) Both large and small value

d) Large value

4 / 10

Category: FORCES AND MATTER

If a metal block applies a force of 20 n on an area of 5 cm2 find the pressure being applied by the block on the area of _______.

a) 0.25Ncm-2

b) 100Ncm-2

c) 4Ncm-2

d) 0.8Ncm-2

5 / 10

Category: FORCES AND MATTER

The pressure exerted by the air molecule at sea level is measured in ___________.

a) Newtons

b) Atmosphere

c) Ampere

d) Joules

6 / 10

Category: FORCES AND MATTER

Which of the following material is more elastic?

a) Wood

b) Steel

c) Rubber

d) Glass

7 / 10

Category: FORCES AND MATTER

If the material recovers the original dimensions when an external force is removed, deformation is known as ___________ deformation.

a) Irreversible

b) Elastic

c) Inelastic

d) Permanent

8 / 10

Category: FORCES AND MATTER

Which of the following is not a unit of pressure?

a) Atmosphere

b) Newton

c) Pascal

d) Bar

9 / 10

Category: FORCES AND MATTER

The springs obey's Hooke's laws for the earlier extensions and when the spring becomes damaged it does not appear to do so; figure 5.12. Estimate from graph after addition of which weight the spring damaged.

IMG_20260406_143119-273x300 Class 9th Physics Quizzes: Chapters 1 to 9

a) 1.5 Newton

b) 8 Newtons

c) 2.0 Newton

d) 1.6 Newton

10 / 10

Category: FORCES AND MATTER

The springs in brakes and clutches are used _________.

a) To absorb shocks

b) To measure forces

c) To absorb strain energy

d) To restore original position

Your score is

The average score is 80%

Unit 6 GRAVITATION

Physics l

GRAVITATION

1 / 20

Category: GRAVITATION

A communication satellite completes its one revolution around the Earth in ______ hours.

a) 12

b) 18

c) 6

d) 24

2 / 20

Category: GRAVITATION

Near Earth's surface g = ______________.

a) both

b) none of these

c) 1.6ms-1

d) 10ms-2

3 / 20

Category: GRAVITATION

Numerical value of _________ remains constant every where.

a) F

b) G

c) W

d) g

4 / 20

Category: GRAVITATION

__________ are used to put satellite into orbits.

a) Helicopter

b) None of these

c) Rocket

d) Aeroplane

5 / 20

Category: GRAVITATION

The critical velocity Vc = ___________.

a) Sq rt (gR)

b) Sq rt (g/R)

c) gR

d) g/R

6 / 20

Category: GRAVITATION

The velocity of a satellite is __________ of its mass.

a) Equal

b) Double

c) Dependent

d) Independent

7 / 20

Category: GRAVITATION

Newton's law of gravitation holds between every two objects on the _________.

a) Earth

b) Moon

c) Jupiter

d) Universe

8 / 20

Category: GRAVITATION

Newton's law of gravitation is consistent with Newton's ____________ law of motion.

a) 2nd

b) All of them

c) 3rd

d) 1st

9 / 20

Category: GRAVITATION

Gravitational field of Earth is directed ___________.

a) Towards the Earth

b) Away from Earth

c) Towards the Moon

d) Towards the Sun

10 / 20

Category: GRAVITATION

Your weight as measured on Earth will be _______ on Moon.

a) None of them

b) Increased

c) Decreased

d) Remain same

11 / 20

Category: GRAVITATION

Gravitation force is ____________ of the medium between the objects.

a) Dependent

b) Independent

c) Both

d) None of them

12 / 20

Category: GRAVITATION

The motion of a falling ball towards Earth is due to the ________.

a) Gravitational force

b) Both weightlessness and gravitational force

c) Weightlessness

d) Acceleration due to gravity

13 / 20

Category: GRAVITATION

_____________ is a natural satellite.

a) Earth

b) Jupiter

c) Mars

d) Moon

14 / 20

Category: GRAVITATION

The gravitational field strength on the surface of Moon is ___________.

a) 3.59 Nkg-1

b) 1.62Nkg-1

c) 10 Nkg-1

d) 11.08 Nkg-1

15 / 20

Category: GRAVITATION

Gravitational force is always _______________.

a) None of them

b) both Repulsive and Attractive

c) Attractive

d) Repulsive

16 / 20

Category: GRAVITATION

According to Newton's law of gravitation force ∝ ___________.

a) Both m1.m2 and 1/r2

b) m1.m2

c) r2

d) 1/r2

17 / 20

Category: GRAVITATION

Mass of Earth is ____________.

a) 6.0 x 10^23 kg

b) 6.0 x 10^25 kg

c) 6.0 x 10^24 kg

d) 6.0 x 10^26 kg

18 / 20

Category: GRAVITATION

Numerical value of G is __________.

a) G = 6.763 x10^-11 N m2.kg-2

b) G = 6.763 x10^11 N m2.kg-2

c) G = 6.673 x10^-11 N m2.kg-2

d) G = 6.673 x10^11 N m2.kg-2

19 / 20

Category: GRAVITATION

_______ was the first scientist who gave the concept of gravitation.

a) Newton

b) Faraday

c) Einstein

d) Maxwell

20 / 20

Category: GRAVITATION

Spring balance is used to measure __________.

a) Elasticity

b) Density

c) Mass

d) Weight

Your score is

The average score is 45%

Unit 7 PROPERTIES OF MATTER

Physics l

PROPERTIES OF MATTER

1 / 10

Category: PROPERTIES OF MATTER

A gas in a container of fixed volume is heated. What happens to the molecules of the gas?

a) They move faster

b) They expand

c) They move further apart

d) They collide less frequently.

2 / 10

Category: PROPERTIES OF MATTER

During which process a gas becomes a liquid _________.

a) Boiling

b) Melting

c) Freezing

d) Condensing

3 / 10

Category: PROPERTIES OF MATTER

A substance has a melting point of -17° C and a boiling point of 117° C. In which state does the substance exists at -10 °C and 110 °C?

a) Solid / Gas

b) Solid / Liquid

c) Liquid /Liquid

d) Liquid / gas

4 / 10

Category: PROPERTIES OF MATTER

According to kinetic molecular theory, the pressure exerted by a gas is caused by the _________.

a) collision between gas molecules

b) random motion of the gas molecules

c) bombardment of the gas molecules on the walls of the container

d) large distances between gas molecules

5 / 10

Category: PROPERTIES OF MATTER

An object with particles close together and vibrating describes a __________.

a) Solid

b) Gas

c) Liquid

d) All three

6 / 10

Category: PROPERTIES OF MATTER

If a gas is heated in a sealed cylinder, then __________ increases.

a) temperature of the gas

b) pressure inside the container

c) All of them

d) average kinetic energy of the particles

7 / 10

Category: PROPERTIES OF MATTER

A burning candle is an example of _________ state of matter.

a) Solid

b) Liquid

c) All three

d) Gas

8 / 10

Category: PROPERTIES OF MATTER

In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process?

a) condensation

b) evaporation

c) convection

d) boiling

9 / 10

Category: PROPERTIES OF MATTER

A solid can ______________.

a) have a freely moving molecules

b) take a shape of container

c) have a fixed shape

d) be easily compressed

10 / 10

Category: PROPERTIES OF MATTER

What happens to the molecules of a gas when the gas changes into a liquid?

a) They move closer and gain energy

b) They move apart and gain energy

c) They move closer and lose energy

d) They move apart and lose energy

Your score is

The average score is 100%

Unit 8 ENERGY SOURCES AND TRANSFER OF ENERGY

Physics l

ENERGY SOURCES AND TRSNSFER OF ENERGY

1 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

A body of mass 1kg is lifted through a height of 1m. The energy possessed in the body will be _________. (consider g = 10m/s2)

a. 100J

b. 1J

c. 10J

d. 1000J

2 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

Work done per unit time is called ____________.

a. Energy

b. Power

c. Force

d. Efficiency

3 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

If a machine performs 20J of work in 10secs then its power is _________.

a. 2watt

b. 200watt

c. 0.2watt

d. 20watt

4 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

The energy released during fission or fusion reaction is called ______________.

a. Solar energy

b. Geothermal energy

c. Tidal energy

d. Nuclear energy

5 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

If a body of mass 1kg is moving with velocity of 1m/sec then K.E of the body will be _________.

a. 1 Joules

b. 2 Joules

c. 0.5 Joules

d. 3 Joules

6 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

Coal, gas and oil are all examples of ________________.

a. Nuclear energy

b. Biomass energy

c. Fossil fuel energy

d. Tidal energy

7 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

Which is the renewable source of energy?

a. Natural gas

b. Solar and wind

c. Petrolium

d. Coal

8 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

If a force of 6N dsplaces an object 2m in the direction of force, then work done will be _________.

a. Both 0 and 12 joules

b. 12 Joules

c. 3 Joules

d. 0 Joules

9 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

___________ is not a renewable source of energy.

a. Wind energy

b. Solar energy

c. Coal

d. Geothermal energy

10 / 10

Category: ENERGY SOURCES AND TRANSFER OF ENERGY

The ratio of output to input is called ___________.

a. Power

b. Efficiency

c. Work

d. Energy

Your score is

The average score is 0%

Unit 9 THERMAL PROPERTIES OF MATTER

Physics l

THERMAL PROPERTIES OF MATTER

1 / 15

Category: THERMAL PROPERTIES OF MATTER

Evaporation can occur at ___________.

a) freezing point

b) melting point

c) all temperatures

d) boiling point

2 / 15

Category: THERMAL PROPERTIES OF MATTER

Heat is the form of ____________.

a) Weight

b) Energy

c) Pressure

d) All

3 / 15

Category: THERMAL PROPERTIES OF MATTER

Thermal energy transfer required per unit mass to increase the temperature by 1°C or 1K is called ___________.

a) Specific heat Capacity

b) Latent heat of Vaporization

c) Latent heat of fusion

d) Thermal capacity

4 / 15

Category: THERMAL PROPERTIES OF MATTER

The amount of heat needed to convert a substance from liquid to gas is called _________.

a) All

b) Heat of Vaporization

c) Specific heat

d) Latent Heat of fusion

5 / 15

Category: THERMAL PROPERTIES OF MATTER

________ expansion of water is the sum of apparent expansion of water and volume expansion of flask.

a) Depth

b) Apparent

c) Real

d) None of these

6 / 15

Category: THERMAL PROPERTIES OF MATTER

Thermal energy transfer required to change a solid into liquid without changing its temperature is called ____________.

a) Latent Heat of Fusion

b) Latent heat of Vaporization

c) Latent heat of boiling

d) specific heat capacity

7 / 15

Category: THERMAL PROPERTIES OF MATTER

The scale used for quantitative measurement of temperature is/are __________.

a) Fahrenheit

b) all of these

c) Celsius

d) Kelvin

8 / 15

Category: THERMAL PROPERTIES OF MATTER

The process in which liquid changes into gas without any external energy supply is called ________________.

a) boiling

b) evaporation

c) melting

d) freezing

9 / 15

Category: THERMAL PROPERTIES OF MATTER

Linear thermal expansion of a solid depends upon ___________.

a) original length

b) properties of material

c) all of these

d) increasing in temperature

10 / 15

Category: THERMAL PROPERTIES OF MATTER

A fixed temperature at which a pure liquid boils is called _______.

a) both melting and freezing

b) melting point

c) freezing point

d) boiling point

11 / 15

Category: THERMAL PROPERTIES OF MATTER

Heat capacity is the Product of mass and _________.

a) Energy

b) Freezing point

c) Boiling point

d) Specific heat of material

12 / 15

Category: THERMAL PROPERTIES OF MATTER

The melting point of ice at normal atmospheric pressure is ___________.

a) 100 °C

b) 0 °C

c) 0 K

d) Both 0°C and 0K

13 / 15

Category: THERMAL PROPERTIES OF MATTER

Thermal energy transfer required to change a liquid into gas without changing its temperature is called ______________.

a) latent heat of boiling

b) latent heat of melting

c) latent heat of freezing

d) latent heat of vaporization

14 / 15

Category: THERMAL PROPERTIES OF MATTER

Rate of evaporation of a liquid can be increased by ___________.

a) increasing humidity

b) decreasing atmospheric pressure

c) decreasing temperature

d) increasing its boiling point

15 / 15

Category: THERMAL PROPERTIES OF MATTER

Degree of hotness and coldness of a body is called __________.

a) heat

b) volume

c) density

d) temperature

Your score is

The average score is 80%

After solving these Class 9th Physics quizzes you can also try other quizzes and you can check your ability and skills for class 9th mathematics chapter-wise quizzes too…

It will surely improve your power of attempting multiple choice questions in exams.

Share this content: