Kinematics [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 7 of 33

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Question 1

Question

MCQ▾

R. M. S. velocity of a particle is at pressure P. If the pressure increases by two times, then R. M. S. velocity will become –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 2

Question

MCQ▾

A man is standing on a spring platform. Reading of spring balance is wt. If man jumps outside from the platform, then reading of spring balance –

Choices

Choice (4)Response

a.

Remain same

b.

Decrease to zero

c.

Increase

d.

Both b. and c. are correct

Question 3

Kinematics
Scalar and Vector Products

Question

MCQ▾

If vector and has angle between them, then vector product is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 4

Kinematics
Scalar and Vector Products

Question

MCQ▾

What is the dot product of two vectors of magnitude and , if angle between them is ?

Choices

Choice (4)Response

a.

7.5

b.

8.4

c.

5.2

d.

8.6

Question 5

Question

MCQ▾

If a body starts from rest and travels in the 8th second. Then acceleration of the body is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 6

Question

MCQ▾

If an iron ball and a wooden ball of the same radius are released from a height in vacuum, then time taken by both of them to reach ground will be

Choices

Choice (4)Response

a.

Exactly equal

b.

Unequal

c.

Zero

d.

Roughly equal

Question 7

Question

MCQ▾

An aero plane is moving with a horizontal velocity at a height . The velocity of packet dropped from it on the earth՚s surface will be

Choices

Choice (4)Response

a.

b.

c.

d.

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