1500 Important Physics MCQ Question and Answer PDF

1.A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is

AZero
BOne
CLess than one
DMore than one

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Correct Answer : (A) Zero

Explanation:

A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Zero.

2.A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect?

ANear the bottom
BIn the middle of the bottom
CNear the neck
DBubbles remain distributed uniformly

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Correct Answer : (C) Near the neck

Explanation:

3.As we go from Equator to North pole the value of ?g? the acceleration due to gravity

ARemains the same
BDecreases
CIncreases
DNone of the above

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Correct Answer : (C) Increases

Explanation:

4.In the Earth, the weight of a body is maximum at the

ANorth pole
BSouth pole
CEquator
DSurface

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Correct Answer : (D) Surface

Explanation:

5.A man inside an artificial satellite feels weightlessness because

AThe force of of attraction due to earth is zero at that place
BThe force of of attraction due to earth is balanced by the force of attraction due to moon
CThe force of of attraction due to earth is equal to the centripetal force
DThe force of of attraction due to earth is non-effective due to particular design of the satellite

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Correct Answer : (A) The force of of attraction due to earth is zero at that place

Explanation:

A man inside an artificial satellite feels weightlessness because The force of of attraction due to earth is zero at that place.

6.Ozone layer above the surface of Earth provides a shield against

AX-rays
BUltra-violet rays
CGamma rays
DInfra-red rays

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Correct Answer : (B) Ultra-violet rays

Explanation:

Ozone layer above the surface of Earth provides a shield against Ultra-violet rays.

7.A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum :

AJust after it is dropped
BWhen it is just on the half-way
CJust before it touches the ground
DWhen it touches the ground

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Correct Answer : (C) Just before it touches the ground

Explanation:

A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum Just before it touches the ground.

8.Which of the following properties is generally found in non-metals?

ABrittleness
BConductivity
CDuctility
DMalleability

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Correct Answer : (A) Brittleness

Explanation:

9.One micron is equal to

A0.1 mm
B0.01 mm
C0.001 mm
D0.0001 mm

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Correct Answer : (C) 0.001 mm

Explanation:

10.The Amount of water vapour (gaseous) in a given volume of air (cable metre) is known as :

AMixing ratio
BRelative humidity
CAbsolute humidity
DSpecific humidity

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Correct Answer : (C) Absolute humidity

Explanation:

11.When a running car stops suddenly, the passengers tends to lean forward because of

ACentrifugal force
BInertia of rest
CInertia of motion
DGravitational force

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Correct Answer : (C) Inertia of motion

Explanation:

12.When a strong beam of light is passed through a colloidal solution, the light will

ABe scattered
BPass unchanged
CBe absorbed
DBe reflected

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Correct Answer : (A) Be scattered

Explanation:

13.When a body fails from an aeroplane, there is increase in its

AKinetic energy
BMass
CAcceleration
DPotential energy

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Correct Answer : (C) Acceleration

Explanation:

When a body fails from an aeroplane, there is increase in its Acceleration.

14.The type of mirror used in automobiles to see the traffic on the rear side is

AConcave
BPlano-Convex
CPlane
DConvex

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Correct Answer : (D) Convex

Explanation:

The type of mirror used in automobiles to see the traffic on the rear side is Convex mirror.

15.The motion of a body that repeats itself after a regular interval of time is

Aa periodic motion
Ba simple harmonic motion
Can aperiodic motion
Danoscillatory motion

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Correct Answer : (A) a periodic motion

Explanation:

The motion of a body that repeats itself after a regular interval of time is a periodic motion.

16.A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that

AThe rubber ball suffers greater change in momentum
BThe metal ball suffers greater change in momentum
CBoth suffer the same change in momentum
DThe initial momentum of the rubber ball is greater than that of the metal ball

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Correct Answer : (A) The rubber ball suffers greater change in momentum

Explanation:

17.Kepler's law of planetary motion states that the square of the time period is proportional to the

ASemi-major-axis
BSquare of the Semi-major-axis
CCube of the Semi-major-axis
DFourth power of the Semi-major-axis

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Correct Answer : (C) Cube of the Semi-major-axis

Explanation:

18.The dimension of MLT^-2 corresponds to

AForce
BWork done
CAcceleration
DVelocity

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Correct Answer : (A) Force

Explanation:

The dimension MLT^-2 corresponds to Force.

19.A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the the same speed. Find the ratio of the speeds of the two stones when they hit the ground.

A1 : 1
B1 : 2
C1 : 4
DCannot be found from the given information.

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Correct Answer : (A) 1 : 1

Explanation:

20.Rocket works on the principle of

ANewton's third Law
BNewton's First Law
CNewton's second Law
DArchimedes principle

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Correct Answer : (A) Newton's third Law

Explanation:

Rocket works on the principle of Newton?s third Law.

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1500 Important Physics MCQ Question and Answer PDF

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1.A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is

2.A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect?

3.As we go from Equator to North pole the value of ?g? the acceleration due to gravity

4.In the Earth, the weight of a body is maximum at the

5.A man inside an artificial satellite feels weightlessness because

6.Ozone layer above the surface of Earth provides a shield against

7.A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum :

8.Which of the following properties is generally found in non-metals?

9.One micron is equal to

10.The Amount of water vapour (gaseous) in a given volume of air (cable metre) is known as :

11.When a running car stops suddenly, the passengers tends to lean forward because of

12.When a strong beam of light is passed through a colloidal solution, the light will

13.When a body fails from an aeroplane, there is increase in its

14.The type of mirror used in automobiles to see the traffic on the rear side is

15.The motion of a body that repeats itself after a regular interval of time is

16.A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that

17.Kepler's law of planetary motion states that the square of the time period is proportional to the

18.The dimension of MLT-2 corresponds to

19.A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the the same speed. Find the ratio of the speeds of the two stones when they hit the ground.

20.Rocket works on the principle of

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18.The dimension of MLT^-2 corresponds to