Master Wave Properties: Online Quizzes for Physics II

Question 1

Which of the following is NOT a type of mechanical wave?

Accepted Answer

Scalar

Answer

Transverse

Answer

Longitudinal

Answer

Standing

Question 2

The phenomenon where waves bend around obstacles is known as:

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Interference

Question 3

A standing wave is formed by the superposition of:

Accepted Answer

Two waves traveling in opposite directions with equal frequencies

Answer

Two waves with different frequencies and amplitudes

Answer

Two waves with equal frequencies and phases

Answer

Two waves with different wavelengths

Question 4

Which of the following is a unit of wave frequency?

Accepted Answer

Hz

Answer

m

Answer

s

Answer

J

Question 5

What is the principle of superposition for waves?

Accepted Answer

When two waves of the same frequency interfere, the resulting wave has an amplitude equal to the sum of the amplitudes of the individual waves.

Answer

When two waves of different frequencies interfere, the resulting wave has an amplitude that is constantly changing.

Answer

When a wave encounters an obstacle, it bends around the obstacle.

Answer

When two waves travel through the same medium, their speeds are equal.

Question 6

What is the difference between diffraction and refraction?

Accepted Answer

Diffraction occurs when a wave passes through a narrow opening, while refraction occurs when a wave passes from one medium to another.

Answer

Refraction occurs when a wave passes through a narrow opening, while diffraction occurs when a wave passes from one medium to another.

Answer

Diffraction and refraction are the same phenomenon.

Answer

Neither diffraction nor refraction involves the bending of waves.

Question 7

What is the speed of a wave?

Accepted Answer

The distance traveled by the wave per unit time.

Answer

The amplitude of the wave.

Answer

The frequency of the wave.

Answer

The wavelength of the wave.

Question 8

What is the frequency of a wave?

Accepted Answer

The number of oscillations per unit time.

Answer

The distance between two adjacent crests.

Answer

The amplitude of the wave.

Answer

The speed of the wave.

Question 9

What is the wavelength of a wave?

Accepted Answer

The distance between two adjacent crests.

Answer

The number of oscillations per unit time.

Answer

The amplitude of the wave.

Answer

The speed of the wave.

Question 10

What is the amplitude of a wave?

Accepted Answer

The maximum displacement of the wave from its equilibrium position.

Answer

The distance between two adjacent crests.

Answer

The number of oscillations per unit time.

Answer

The speed of the wave.

Question 11

What is the phase of a wave?

Accepted Answer

The position of a point on the wave relative to a reference point.

Answer

The number of oscillations per unit time.

Answer

The amplitude of the wave.

Answer

The speed of the wave.

Question 12

What phenomenon occurs when a wave encounters an obstacle that is smaller than its wavelength?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Absorption

Question 13

Which of the following is an example of a standing wave?

Accepted Answer

A wave on a guitar string

Answer

A wave on the surface of a pond

Answer

A wave in a vacuum

Answer

A wave in a moving medium

Question 14

What is the relationship between the wavelength and frequency of a wave?

Accepted Answer

Wavelength is inversely proportional to frequency.

Answer

Wavelength is directly proportional to frequency.

Answer

Wavelength is independent of frequency.

Answer

Frequency is independent of wavelength.

Question 15

What is the defining characteristic of linearly polarized waves?

Accepted Answer

Oscillations confined to a specific plane, perpendicular to the propagation direction.

Answer

Oscillations occurring in a plane parallel to the direction of propagation.

Answer

Random changes in the oscillation direction over time.

Answer

Equal amplitudes of the wave in all directions.

Question 16

The superposition principle for waves states that:

Accepted Answer

When two waves overlap, their combined displacement equals the sum of their individual displacements.

Answer

Two intersecting waves never interact, preserving their individual identities.

Answer

The frequency of waves increases upon their intersection.

Answer

The amplitude of waves decreases upon their intersection.

Question 17

Diffraction of waves refers to:

Accepted Answer

The bending of waves as they encounter obstacles.

Answer

The reflection of waves by surfaces.

Answer

The refraction of waves as they pass through different media.

Answer

The interference of waves with one another.

Question 18

The mathematical equation that describes a wave is given by:

Accepted Answer

y = A sin(ωt - kx)

Answer

v = fλ

Answer

E = hf

Answer

F = ma

Question 19

Which of the following represents a type of longitudinal wave?

Accepted Answer

Longitudinal wave

Answer

Transverse wave

Answer

Surface wave

Answer

Standing wave

Question 20

Which factor does NOT influence the speed of a wave?

Accepted Answer

Amplitude

Answer

Frequency

Answer

Medium

Answer

Wavelength

Question 21

The Doppler effect is associated with:

Accepted Answer

The change in wave frequency as the source or observer moves.

Answer

The change in wave wavelength as the source or observer moves.

Answer

The change in wave amplitude as the source or observer moves.

Answer

The change in wave speed as the source or observer moves.

Question 22

Which of the following equations accurately describes a wave traveling in the positive x-direction?

Accepted Answer

$y = A \sin(kx + \omega t)$

Answer

$y = A \sin(kx - \omega t)$

Answer

$y = A \cos(kx - \omega t)$

Answer

$y = A \cos(kx + \omega t)$

Question 23

According to the principle of superposition, when two waves of the same frequency and wavelength overlap, what occurs?

Accepted Answer

They form a wave with a larger amplitude than either of the original waves.

Answer

They cancel each other out.

Answer

They create a new wave with half the amplitude.

Answer

They produce a wave with a shorter wavelength.

Question 24

Which of the following is not a type of wave interference?

Accepted Answer

Refraction

Answer

Constructive interference

Answer

Destructive interference

Answer

Partial interference

Question 25

When a wave passes through a narrow opening, which phenomenon is observed?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Polarization

Question 26

Which of the following factors does not influence the speed of a wave?

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Answer

Medium

Question 27

What is the mathematical relationship between the wavelength and frequency of a wave?

Accepted Answer

They are inversely proportional.

Answer

They are directly proportional.

Answer

They have no relationship.

Answer

They are equal.

Question 28

What is the phase difference between two waves that result in destructive interference?

Accepted Answer

π radians

Answer

0 radians

Answer

π/2 radians

Answer

3π/2 radians

Question 29

The Doppler effect refers to the:

Accepted Answer

Change in frequency of a wave due to the motion of its source or receiver.

Answer

Change in wavelength of a wave due to the motion of its source or receiver.

Answer

Change in amplitude of a wave due to the motion of its source or receiver.

Answer

Change in speed of a wave due to the motion of its source or receiver.

Question 30

Which of the following correctly represents the equation for a sinusoidal wave traveling in the positive x-direction?

Accepted Answer

y = A sin(ωt - kx)

Answer

y = A cos(ωt + kx)

Answer

y = A sin(kx - ωt)

Answer

y = A cos(kx + ωt)

Question 31

According to the superposition principle, when two waves overlap, the resultant wave is:

Accepted Answer

The algebraic sum of the two individual waves.

Answer

Always the sum of the two individual waves.

Answer

Always larger than the sum of the two individual waves.

Answer

Always smaller than the sum of the two individual waves.

Question 32

To achieve constructive interference, the path difference between two waves must be:

Accepted Answer

nλ, where n is any integer

Answer

(n + 1/2)λ, where n is any integer

Answer

nλ/2, where n is any integer

Answer

(n + 1/4)λ, where n is any integer

Question 33

Which of the following applications of wave properties is unrelated to sound waves?

Accepted Answer

Diffraction gratings for spectroscopy

Answer

Ultrasound imaging for medical diagnostics

Answer

Sonar for underwater exploration

Answer

Noise cancellation in headphones

Question 34

Which type of wave exhibits transverse oscillations?

Accepted Answer

Electromagnetic waves

Answer

Sound waves

Answer

Water waves

Answer

Seismic waves

Question 35

When two waves are in phase, what is their phase difference?

Accepted Answer

0

Answer

π/2

Answer

π

Answer

3π/2

Question 36

Which of the following is a primary source of electromagnetic waves?

Accepted Answer

Moving charges

Answer

Electric current

Answer

Vibrating objects

Answer

Gravitational fields

Question 37

Which of the following equations represents a sinusoidal wave traveling in the positive x-direction?

Accepted Answer

y(x, t) = A sin(ωt - kx)

Answer

y(x, t) = A cos(ωt + kx)

Answer

y(x, t) = A sin(kx - ωt)

Answer

y(x, t) = A cos(kx + ωt)

Question 38

When two identical waves interfere in-phase, what is the resulting wave's amplitude compared to the amplitude of the individual waves?

Accepted Answer

Twice the amplitude of each individual wave.

Answer

Zero.

Answer

Equal to the amplitude of each individual wave.

Answer

Half the amplitude of each individual wave.

Question 39

Which of the following factors does NOT affect the diffraction of waves?

Accepted Answer

Frequency of the wave.

Answer

Width of the aperture or obstacle.

Answer

Medium through which the wave is traveling.

Answer

Wavelength of the wave.

Question 40

The intensity of a sinusoidal wave is proportional to the square of which of the following quantities?

Accepted Answer

Amplitude.

Answer

Wavelength.

Answer

Frequency.

Answer

Speed.

Question 41

Which of the following is a unit of wave intensity?

Accepted Answer

Watts per square meter (W/m^2).

Answer

Joules (J).

Answer

Newtons per square meter (N/m^2).

Answer

Hertz (Hz).

Question 42

When a wave undergoes reflection from a fixed boundary, what happens to its phase?

Accepted Answer

Undergoes a phase change of π.

Answer

Its phase remains unchanged.

Answer

Reverses its direction of propagation.

Answer

Undergoes a phase change of π/2.

Question 43

Which of the following is an example of a practical application of wave interference?

Accepted Answer

Holography.

Answer

Solar panels.

Answer

Nuclear fusion reactors.

Answer

Electric motors.

Question 44

Which of the following is not considered a fundamental property of waves?

Accepted Answer

Mass

Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Question 45

The wave equation y = A sin(ωt - kx) describes a sinusoidal wave. What does 'A' represent?

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Answer

Phase shift

Question 46

When two waves of equal amplitude and frequency are in phase, what is the amplitude of the resulting wave?

Accepted Answer

Twice the original amplitude

Answer

Unchanged

Answer

Half the original amplitude

Answer

Zero

Question 47

What phenomenon is observed when a wave passes through a narrow opening or around an obstacle?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Polarization

Question 48

What is the SI unit of wavelength?

Accepted Answer

Meter

Answer

Newton

Answer

Volt

Answer

Hertz

Question 49

Which type of wave has oscillations that are perpendicular to the direction of propagation?

Accepted Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 50

How are the frequency and period of a wave related?

Accepted Answer

Frequency is the inverse of period

Answer

There is no relationship between frequency and period

Answer

Frequency is inversely proportional to period squared

Answer

Frequency is directly proportional to period