Oscillations and Waves-Speed of a Wave (BITSAT Physics): Questions 1 - 5 of 7

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Question number: 1

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

The Laplace correction was necessary to Newton’s calculation of velocity of sound, because travel of sound in a medium is –

Choices

Choice (4) Response

a.

Isochoric process

b.

Adiabatic process

c.

Isobaric process

d.

Isothermal process

Question number: 2

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A glass rod of 20cm long is clamped at the middle. It is set into the longitudinal vibration. If the emitted sound frequency is 4000Hz , then velocity of sound in glass will be –

Choices

Choice (4) Response

a.

2800ms

b.

1600ms

c.

2000ms

d.

3200ms

Question number: 3

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

If the displacement of a particle executing S. H. M. is given by y=0.30sin(220t+0.64) in metre, then the frequency and maximum velocity of the particle is –

Choices

Choice (4) Response

a.

35Hz,66ms

b.

58Hz,113ms

c.

45Hz,93ms

d.

36Hz,133ms

Question number: 4

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

The velocity of sound is greatest in –

Choices

Choice (4) Response

a.

Air

b.

Water

c.

Metal

d.

Vacuum

Question number: 5

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A body is executing simple harmonic motion with an angular frequency 2radsec , the velocity of the body at 20mm displacement, when the amplitude of motion is 60mm , is

Choices

Choice (4) Response

a.

131mms

b.

113mms

c.

118mms

d.

90mms

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