set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following time-displacement graph is not possible in nature?

a)

b)

c)

d)

Question : 2

Consider the following statements.
A 4-wheel vehicle moving in a sharp circular path at high speed will

1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards

a) 2 and 3

b) 2 and 4

c) 1 and 3

d) 1 and 4

Question : 3

For a particle revolving in a circular path, the acceleration of the particle is

a) zero

b) along the radius

c) along the tangent

d) along the circumference of the circle

Question : 4

Which of the following are examples of uniform velocity?

a) Motion of car on crowded road

b) Motion of planet around sun

c) Motion of moon around earth

d) Motion of a moving fan

Question : 5

If velocity of a body is twice of previous velocity, then kinetic energy will become

a) 4 times

b) 1/2 times

c) 2 times

d) 1 times

Question : 6

A man is standing on a sensitive balance. If he inhales deeply, the reading of the balance

a) Remains unaffected

b) Decreases

c) Increases

d) May increase or decrease depending on the atmospheric pressure