Wave Properties: Master the Fundamentals of Waves

Question 1

Identify the key factor that influences the speed at which a wave propagates.

Accepted Answer

Medium through which the wave travels

Answer

Amplitude of the wave

Answer

Frequency of the wave

Answer

Wavelength of the wave

Question 2

Categorize the following phenomena as mechanical or electromagnetic waves: Sound waves, Microwaves, Ocean waves, Light waves

Accepted Answer

Mechanical: Sound waves, Ocean waves; Electromagnetic: Microwaves, Light waves

Answer

Mechanical: Sound waves, Ocean waves; Electromagnetic: Microwaves

Answer

Electromagnetic: Sound waves, Light waves; Mechanical: Microwaves, Ocean waves

Answer

Mechanical: Microwaves, Sound waves; Electromagnetic: Light waves, Ocean waves

Question 3

Which of the following is NOT a defining characteristic of waves?

Accepted Answer

Polarization

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 4

Which of the following waves can propagate through vacuum?

Accepted Answer

Electromagnetic wave

Answer

Transverse mechanical wave

Answer

Longitudinal mechanical wave

Answer

Surface water wave

Question 5

When two waves of the same frequency superpose with a phase difference of π radians, what type of interference occurs?

Accepted Answer

Destructive interference

Answer

Constructive interference

Answer

Partial interference

Answer

Zero interference

Question 6

A light ray traveling in air strikes an air-glass interface at an angle of incidence of 30°. If the refractive index of glass is 1.5, what is the angle of refraction?

Accepted Answer

19.47°

Answer

30°

Answer

45°

Answer

60°

Question 7

Which of the following devices utilizes the principle of diffraction?

Accepted Answer

Microscope

Answer

Telescope

Answer

Camera

Answer

Laser

Question 8

Two waves have the same amplitude and wave speed, but different wavelengths and frequencies. Which wave will have a shorter wavelength?

Accepted Answer

The wave with the higher frequency

Answer

The wave with the longer wavelength

Answer

The wave with the lower amplitude

Question 9

Which property is characteristic of transverse waves?

Accepted Answer

The wave can be polarized

Answer

Particles vibrate parallel to the direction of wave propagation

Answer

The wave can travel through a vacuum

Answer

The wave has both a longitudinal and transverse component

Question 10

The superposition principle states that:

Accepted Answer

Waves of the same frequency can interfere and combine their amplitudes.

Answer

Waves of different frequencies cannot interfere with each other.

Answer

Waves always reflect off of each other.

Answer

Waves can pass through each other without affecting each other.

Question 11

Which of the following materials is a poor reflector of sound waves?

Accepted Answer

Air

Answer

Water

Answer

Concrete

Answer

Wood

Question 12

When a wave passes from one medium to another, its speed and wavelength may change.

Accepted Answer

True

Answer

False

Question 13

Which of the following is NOT a transverse wave?

Accepted Answer

Sound wave in air

Answer

Water wave on the surface of a pond

Answer

Seismic wave traveling through the Earth

Answer

Light wave

Question 14

The amplitude of a wave represents the:

Accepted Answer

Maximum displacement of the particles from their equilibrium position

Answer

Number of waves passing a point per unit time

Answer

Distance between two consecutive crests of the wave

Answer

Speed at which the wave travels

Question 15

Which of the following is NOT a characteristic of waves?

Accepted Answer

Mass

Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Question 16

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

Accepted Answer

Wavelength is inversely proportional to frequency.

Answer

Wavelength is not related to frequency.

Answer

Wavelength is equal to frequency.

Answer

Wavelength is directly proportional to frequency.

Question 17

Which type of wave is characterized by oscillations perpendicular to the direction of propagation?

Accepted Answer

Transverse wave

Answer

Surface wave

Answer

Longitudinal wave

Question 18

What is the interaction of a wave with a boundary?

Accepted Answer

Reflection, refraction, and transmission

Answer

Interference

Answer

Diffraction

Answer

Absorption

Question 19

Describe the Doppler effect.

Accepted Answer

The change in frequency or wavelength of a wave due to relative motion between the source and observer.

Answer

The change in phase of a wave due to relative motion between the source and observer.

Answer

The change in amplitude of a wave due to relative motion between the source and observer.

Question 20

For maximum constructive interference, what is the condition?

Accepted Answer

Path difference is an integer multiple of the wavelength.

Answer

Path difference is a quarter of an integer multiple of the wavelength.

Answer

Path difference is half an integer multiple of the wavelength.

Question 21

When a wave transitions from one medium to another, which property remains constant?

Accepted Answer

Frequency

Answer

Phase difference

Answer

Wavelength

Answer

Amplitude

Question 22

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

Accepted Answer

Mass

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 23

What is the mathematical relationship that exists between frequency, wavelength, and wave speed?

Accepted Answer

Wave speed = Frequency × Wavelength

Answer

Frequency = Wave speed / Wavelength

Answer

Wave speed = Wavelength / Frequency

Answer

Wavelength = Wave speed × Frequency

Question 24

Which type of wave is capable of traveling through a vacuum?

Accepted Answer

Electromagnetic wave

Answer

Longitudinal wave

Answer

Mechanical wave

Answer

Transverse wave

Question 25

What is the underlying cause of interference in waves?

Accepted Answer

The superposition of waves from two or more coherent sources

Answer

The reflection of waves from a surface

Answer

The diffraction of waves around an obstacle

Question 26

Define the Doppler effect.

Accepted Answer

The change in frequency of a wave due to relative motion between the wave source and observer

Answer

The reflection of a wave from a surface

Answer

The diffraction of a wave around an obstacle

Question 27

Differentiate between reflection and refraction of waves.

Accepted Answer

Reflection occurs at a boundary, causing a change in direction, while refraction occurs when a wave passes from one medium to another, causing a change in both direction and speed.

Answer

Reflection involves a change in wave direction, while refraction does not.

Question 28

Which of the following applications of waves is not directly related to the field of healthcare?

Accepted Answer

Sonar

Answer

Magnetic resonance imaging (MRI)

Answer

Ultrasound

Answer

X-rays