Chapter 14: Waves MCQs | physics Class 11 CBSE

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Chapter 14: Waves MCQs | physics Class 11 CBSE | ByteNotes.in

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Question 1

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Which of the following types of waves does NOT require a material medium for propagation?

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Question 2

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In a transverse wave on a stretched string, the particles of the string oscillate

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Question 3

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Transverse waves can propagate through

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Question 4

Objective

The waves on the surface of the ocean are

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Question 5

Objective

The angular wave number k of a wave of wavelength λ is given by

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Question 6

Objective

The SI unit of angular wave number k is

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Question 7

Objective

A sinusoidal wave is described by y(x, t) = a sin(kx + ωt). This wave travels in the

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Question 8

Objective

The speed of a transverse wave on a stretched string with tension T and linear mass density μ is

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Medium

Question 9

Objective

If the tension in a stretched string is increased four times keeping the linear mass density constant, the speed of transverse waves becomes

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Question 10

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Newton's formula for the speed of sound in a gas gives a value about 15% lower than the experimental value because Newton assumed the process to be

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Question 11

Objective

The Laplace correction replaces Newton's formula v = √(P/ρ) with v = √(γP/ρ) for sound in a gas because the propagation process is

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Question 12

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The speed of sound in a gas is independent of

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Question 13

Objective

According to the principle of superposition, the net displacement when two waves overlap is

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Question 14

Objective

Two waves of equal amplitude a and equal frequency are superposed. If the phase difference between them is π, the resultant amplitude is

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Question 15

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Two waves of equal amplitude a and equal frequency are superposed in phase (φ = 0). The resultant amplitude is

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Medium

Question 16

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A travelling wave, on reflection at a rigid (fixed) boundary, undergoes a phase change of

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Question 17

Objective

At an open (non-rigid) boundary, the phase change of a reflected wave is

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Question 18

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A standing wave pattern is characterised by

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Question 19

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The distance between two consecutive nodes (or two consecutive antinodes) in a standing wave is

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Question 20

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The fundamental frequency of a stretched string of length L, wave speed v, fixed at both ends is

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Chapter sections

Chapter 14: Waves | MCQs

Which of the following types of waves does NOT require a material medium for propagation?

In a transverse wave on a stretched string, the particles of the string oscillate

Transverse waves can propagate through

The waves on the surface of the ocean are

The angular wave number k of a wave of wavelength λ is given by

The SI unit of angular wave number k is

A sinusoidal wave is described by y(x, t) = a sin(kx + ωt). This wave travels in the

The speed of a transverse wave on a stretched string with tension T and linear mass density μ is

If the tension in a stretched string is increased four times keeping the linear mass density constant, the speed of transverse waves becomes

Newton's formula for the speed of sound in a gas gives a value about 15% lower than the experimental value because Newton assumed the process to be

The Laplace correction replaces Newton's formula v = √(P/ρ) with v = √(γP/ρ) for sound in a gas because the propagation process is

The speed of sound in a gas is independent of

According to the principle of superposition, the net displacement when two waves overlap is

Two waves of equal amplitude a and equal frequency are superposed. If the phase difference between them is π, the resultant amplitude is

Two waves of equal amplitude a and equal frequency are superposed in phase (φ = 0). The resultant amplitude is

A travelling wave, on reflection at a rigid (fixed) boundary, undergoes a phase change of

At an open (non-rigid) boundary, the phase change of a reflected wave is

A standing wave pattern is characterised by

The distance between two consecutive nodes (or two consecutive antinodes) in a standing wave is

The fundamental frequency of a stretched string of length L, wave speed v, fixed at both ends is

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