Physics-Motion and Force (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 26 - 30 of 34

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Question number: 26

» Physics » Motion and Force

MCQ▾

Question

A particle is thrown vertically upwards. Its velocity at half of the height is 10 m/s. Then, the maximum height attained by it, is

Choices

Choice (4) Response

a.

20 m

b.

16 m

c.

10 m

d.

40 m

Question number: 27

» Physics » Motion and Force

MCQ▾

Question

The position-time (x -t) graph for motion of a body is given below

Position Time Graph for body a

Position Time Graph for Body A

Understanding the graph for body a

Which one among the following is depicted by the above graph?

Choices

Choice (4) Response

a.

Positive acceleration

b.

Negative acceleration

c.

Zero acceleration

d.

Question does not provide sufficient data or is vague

Question number: 28

» Physics » Motion and Force

MCQ▾

Question

A proton enters a magnetic field of flux density with a speed of at an angle of with the field. The force on a proton will be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 29

» Physics » Motion and Force

MCQ▾

Question

Which of the following velocity-time graphs represent uniform motion?

Choices

Choice (4) Response

a.

The slope of a velocity-time graph : Choice A

The Slope of a Velocity-Time Graph: Choice A

The slope of a velocity-time graph

b.

The slope of a velocity-time graph : Choice B

The Slope of a Velocity-Time Graph: Choice B

The slope of a velocity-time graph

c.

The slope of a velocity-time graph : Choice C

The Slope of a Velocity-Time Graph: Choice C

The slope of a velocity-time graph

d.

The slope of a velocity-time graph : Choice D

The Slope of a Velocity-Time Graph: Choice D

The slope of a velocity-time graph

Question number: 30

» Physics » Motion and Force

MCQ▾

Question

An iron ball and a wooden ball of the same radius are released from the same height in vacuum. They take the same time to reach the ground. The reason for this is

Choices

Choice (4) Response

a.

In vacuum, there is a resistance offered to the motion of the body and this resistance depends upon the mass of the body

b.

Acceleration due to gravity in vacuum depends upon the mass of the body

c.

Acceleration due to gravity in vacuum is same irrespective of the size and mass of the body

d.

There is no acceleration due to gravity in vacuum

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