Oscillations and Waves (BITSAT Physics): Questions 1 - 7 of 53

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Question number: 1

» Oscillations and Waves » Resonance

MCQ▾

Question

Resonance is a special case of –

Choices

Choice (4) Response

a.

Damped vibration

b.

Natural vibration

c.

Force vibration

d.

Un – damped vibration

Question number: 2

» 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: 3

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

Light waves are transverse, because they –

Choices

Choice (4) Response

a.

Are not polarized

b.

Reflect

c.

Refract

d.

Are polarized

Question number: 4

» Oscillations and Waves » Wave Motion

MCQ▾

Question

The equation of sound wave is Equation . The wavelength of this wave is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

The time period of a simple pendulum in a satellite is –

Choices

Choice (4) Response

a.

Same as an earth

b.

Unity

c.

Infinity

d.

Zero

Question number: 6

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

Question

A source of sound is travelling with a velocity Equation towards an observer and emits sounds of frequency Equation . If velocity of sounds is Equation , then apparent frequency heard by an observer is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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