AIIMS (All India Institute of Medical Sciences) Physics: Questions 355 - 359 of 500

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Question number: 355

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

Question

A siren emitting sound of frequency 750 Hz is going away form a static listener with a speed of Equation . The frequency of sound to be heard directly from the siren is –

Choices

Choice (4) Response

a.

530 Hz

b.

669 Hz

c.

489 Hz

d.

344 Hz

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 Equation . 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 Equation . The body is given a velocity of Equation . 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

Equation and Equation 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 Equation and Equation ?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 359

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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