AIIMS Physics: Questions 356 - 360 of 500

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Question number: 356

» Oscillations and Waves » Harmonics

MCQ▾

Question

A boat at anchor is rocked by waves whose crests are 130m apart and velocity is 13ms . The boat bounces up once in every –

Choices

Choice (4) Response
a.

13 s

b.

100 s

c.

5 s

d.

10 s

Question number: 357

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A body rests on a horizontal rough surface. The coefficient of friction between the body and the surface is μ=0.4 . The body is given a velocity of 30ms . What is the distance covered by the body before coming to rest?

Choices

Choice (4) Response
a.

112.5 m

b.

100 m

c.

120.6 m

d.

132.5 m

Question number: 358

» Gravitation » Escape Velocity

MCQ▾

Question

v1 and v2 are escape velocities on two planets whose radii are in the ratio 3: 1 and densities are in the ratio 1: 9. What is the relationship between v1 and v2 ?

Choices

Choice (4) Response
a.

v1=3v2

b.

v1=v2

c.

v2=3v1

d.

v1=3v2

Question number: 359

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

A bullet of mass 150 g and moving with velocity v is fired into a block of mass 1.8 kg and stick to it. The final velocity would be

Choices

Choice (4) Response
a.

13v

b.

15v

c.

v13

d.

v15

Question number: 360

» Ray Optics » Deviation and Dispersion of Light by a Prism

MCQ▾

Question

Angle of prism is 30 and its one surface is silvered. Light rays falling at an angle of incidence 60 on first surface return back through the same path after suffering reflection at second silvered surface. Refractive index of the material of prism is –

Choices

Choice (4) Response
a.

3

b.

2

c.

32

d.

1.5

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