# A Level Physics Solved MCQs

Chapters

Chapter: Accelerated Motion
1.

## Only force acting on a bouncing ball is

A. gravity
B. weight of ball
C. friction
D. a and b both
Answer» D. a and b both
2.

## Accelerometer detects the

A. small acceleration
B. large acceleration
C. small deceleration
D. large acceleration and deceleration
Answer» D. large acceleration and deceleration
3.

A. positive
B. negative
C. zero
D. 1
4.

## If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity is

A. $9ms^{-2}$
B. $10ms^{-2}$
C. $4ms^{-2}$
D. $8.8ms^{-2}$
Answer» D. $8.8ms^{-2}$
5.

A. velocity
B. acceleration
C. distance
D. time
6.

A. 20 m
B. 30 m
C. 40 m
D. 50 m
7.

A. 30°
B. 47°
C. 90°
D. 45°
8.

## Horizontal component of a bouncing ball is

A. affected by gravity
B. unaffected by gravity
C. affected by weight
D. affected by contact force
9.

## When ball having a projectile motion is rising up, it

A. decelerates
B. accelerates
C. rises up with constant acceleration
D. acceleration becomes zero
10.

## Equation of motion can be used for

A. straight line motion only
B. curved motion only
C. motion along the circular path
D. all types of motion
Answer» A. straight line motion only
11.

## Acceleration of free fall depends on the

A. surface
B. weight of object
C. distance from center of Earth
D. size of object
12.

## If initial velocity of an object is zero, then distance covered by it in time t and acceleration of $9.8ms^{-2}$ would be

A. $2.9\:t^{2}$
B. $3\:t^{2}$
C. $4\:t^{2}$
D. $4.9\:t^{2}$
Answer» D. $4.9\:t^{2}$
13.

## As the ball falls towards the ground, its velocity

A. increases
B. decreases
C. remains constant
D. becomes zero
14.

A. velocity
B. displacement
C. distance
D. acceleration
15.

## An object whose velocity is changing is said to be in a state of

A. acceleration
B. rest
C. equilibrium
D. Brownian motion
16.

## Acceleration of train when it is moving steadily from $4.0\:ms^{-1}$ to $20\:ms^{-1}$ in 100s is

A. $1\:ms^{-2}$
B. $2\:ms^{-2}$
C. $0.16\:ms^{-2}$
D. $3\:ms^{-2}$
Answer» C. $0.16\:ms^{-2}$
17.

A. increasing
B. decreasing
C. zero
D. constant
18.

## If a spinster staring from rest has acceleration of $5ms^{-2}$ during 1st 2.0s of race then her velocity after 2 s is

A. $20ms^{-1}$
B. $10ms^{-1}$
C. $15ms^{-1}$
D. $5ms^{-1}$
Answer» B. $10ms^{-1}$
19.

A. 24 m
B. 56 m
C. 35.3 m
D. 36.3 m
20.

## If a car starting from rest reaches a velocity of $18ms^{-1}$ after 6.0 s then its acceleration is

A. $1ms^{-2}$
B. $2ms^{-2}$
C. $3ms^{-2}$
D. $4ms^{-2}$
Answer» C. $3ms^{-2}$
21.

A. 825 m
B. 700 m
C. 650 m
D. 600 m
22.

## Area under velocity-time graph tells us the

A. time
B. acceleration
C. displacement
D. velocity
Chapter: Alternating Current
23.

## If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be

A. 50 V in secondary coil
B. 25 V in secondary coil
C. 60 V in secondary coil
D. 100 V in secondary coil
Answer» D. 100 V in secondary coil
24.

A. 45 kW
B. 50 kW
C. 60 kW
D. 25 kW