Physics-Motion [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 6 of 60

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Question 1

Motion
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Question

MCQ▾

A ball of mass is dropped from the top of a tower of height . Simultaneously, a bullet of mass is fired from the foot of the tower upward with velocity of . At what time will the bullet and ball meet?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 2

Motion
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Question

MCQ▾

A bus is moving with uniform speed and covers . Another distance covered with uniform speed . Therefore total time taken by bus is –

Choices

Choice (4)Response
a.
b.
c.
d.

Question 3

Motion
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Question

MCQ▾

Two blocks of different masses and are dropped from two different heights and respectively. The ratio of the time taken to reach the ground is:

Choices

Choice (4)Response
a.
b.
c.
d.

Question 4

Motion
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Question

MCQ▾

A bus covers first half distance between two station at a speed of and remaining half distance between two station at speed of . The average speed of the bus is –

Choices

Choice (4)Response
a.
b.
c.
d.

Question 5

Motion
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Question

MCQ▾

A ball dropped from a building of height . If ball describes during its last second of fall, then the height of the building , and the time of fall are:

Choices

Choice (4)Response
a.
b.
c.
d.

Question 6

Motion
Edit

Question

MCQ▾

The distances travelled by a body falling freely from rest in the second and forth seconds respectively are in the ratio:

Choices

Choice (4)Response
a.
b.
c.
d.