Waves: Properties, Types, and Applications

Question 1

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

Accepted Answer

Transverse

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 2

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

Accepted Answer

Polarization

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 3

Which of the following is a defining characteristic of wave propagation?

Accepted Answer

Transfer of energy without the movement of matter

Answer

Movement of matter from one location to another

Answer

Creation of new matter as a wave travels

Answer

Absence of a regular pattern in the disturbance

Question 4

Which of the following is NOT a practical application of waves in our daily lives?

Accepted Answer

Solar energy generation

Answer

Radio communication

Answer

Medical imaging

Answer

Microwave ovens

Question 5

Which of the following correctly describes the relationship between the frequency and wavelength of a wave?

Accepted Answer

They are inversely proportional; as frequency increases, wavelength decreases.

Answer

They are independent of each other; changes in one do not affect the other.

Answer

They are directly proportional; as frequency increases, wavelength increases.

Question 6

A wave with a frequency of 50 hertz (Hz) has a period of:

Accepted Answer

0.02 seconds

Answer

2 seconds

Answer

50 seconds

Question 7

Which type of wave requires a medium to propagate?

Accepted Answer

Mechanical wave

Answer

Gravitational wave

Answer

All of the above (mechanical, electromagnetic, and gravitational waves).

Answer

Electromagnetic wave

Question 8

Which of the following is NOT a characteristic of a wave?

Accepted Answer

Viscosity

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 9

Which type of wave is used in mobile phone communication?

Accepted Answer

Electromagnetic wave

Answer

Gravitational wave

Answer

Sound wave

Answer

Water wave

Question 10

The energy carried by a wave is proportional to which of the following?

Accepted Answer

Amplitude squared

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 11

Which of the following is classified as a transverse wave?

Accepted Answer

Light wave

Answer

Sound wave

Answer

Seismic wave

Answer

Water wave

Question 12

The Doppler effect is observed when:

Accepted Answer

A wave source and observer are moving relative to each other.

Answer

Two waves of different frequencies interfere.

Answer

A wave reflects off a surface.

Question 13

Which of the following is NOT a characteristic of waves?

Accepted Answer

Mass

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 14

A wave with a shorter wavelength has a:

Accepted Answer

Higher frequency

Answer

Lower frequency

Answer

Higher speed in a given medium

Answer

No change in frequency

Question 15

Which of the following requires a medium to travel?

Accepted Answer

Sound wave

Answer

X-ray wave

Answer

Radio wave

Answer

Light wave

Question 16

The speed of light in a vacuum is:

Accepted Answer

Constant and approximately 3 x 10⁸ meters per second

Answer

Variable, depending on the medium it travels through

Answer

Dependent on the frequency of the light

Answer

Dependent on the wavelength of the light

Question 17

Which of these applications directly relies on the reflection of waves?

Accepted Answer

Radar

Answer

Microwaves

Answer

Lasers

Answer

Fiber optics

Question 18

The superposition principle states that when two or more waves overlap, the resulting wave's displacement at any point is:

Accepted Answer

The algebraic sum of the displacements of the individual waves

Answer

The maximum displacement of the individual waves

Answer

The average of the displacements of the individual waves

Answer

The minimum displacement of the individual waves

Question 19

Which of the following is a characteristic of transverse waves?

Accepted Answer

The oscillations are perpendicular to the direction the wave travels

Answer

The oscillations are parallel to the direction the wave travels

Answer

The medium particles move in circles

Question 20

The Doppler effect explains the apparent change in:

Accepted Answer

Frequency (and wavelength) of a wave due to relative motion between the source and the observer

Answer

Amplitude of a wave due to relative motion

Answer

Speed of a wave due to relative motion

Question 21

Which of the following is a fundamental property of waves?

Accepted Answer

They transfer energy without transferring matter.

Answer

They are only found in water.

Answer

They have a single, fixed frequency.

Answer

They always require a medium to propagate.

Question 22

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

Accepted Answer

Electromagnetic wave

Answer

Water wave

Answer

Sound wave

Answer

Seismic wave

Question 23

Identify the primary application of electromagnetic waves.

Accepted Answer

Communication

Answer

Power generation

Answer

Medical imaging

Answer

Transportation

Question 24

Which wave property determines the pitch of a sound wave?

Accepted Answer

Frequency

Answer

Velocity

Answer

Wavelength

Answer

Amplitude

Question 25

What term describes the maximum displacement of a wave from its equilibrium position?

Accepted Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 26

Which phenomenon occurs when waves of the same type superpose, resulting in a combined wave pattern?

Accepted Answer

Interference

Answer

Diffraction

Answer

Refraction

Answer

Polarization

Question 27

Which factor has the most significant influence on the speed of a wave?

Accepted Answer

The medium through which it travels

Answer

Wave's frequency

Answer

Wave's amplitude

Answer

Wave's wavelength

Question 28

A sound wave with a higher frequency will have a higher...

Accepted Answer

Pitch

Answer

Amplitude

Answer

Speed in air

Answer

Wavelength

Question 29

What type of wave is light?

Accepted Answer

Electromagnetic

Answer

Longitudinal

Answer

Transverse

Answer

Mechanical

Question 30

The amplitude of a wave is directly related to its...

Accepted Answer

Energy

Answer

Speed

Answer

Wavelength

Answer

Frequency

Question 31

When a wave travels from one medium to another, which property generally changes?

Accepted Answer

Speed

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 32

The Doppler effect explains the change in...

Accepted Answer

Frequency of a wave due to relative motion between the source and observer

Answer

Amplitude of a wave due to distance from the source

Answer

Speed of a wave due to medium change

Answer

Wavelength of a wave due to medium change

Question 33

A standing wave is formed when two waves...

Accepted Answer

Interfere with each other

Answer

Are in phase and travel in opposite directions

Answer

Travel in the same direction with the same frequency

Answer

Have different frequencies and travel in the same direction

Question 34

Which of the following is an application of wave technology?

Accepted Answer

Ultrasound imaging

Answer

Solar panels

Answer

Electric motors

Answer

Nuclear fission

Question 35

A wave is traveling through a medium. Which of the following properties of the wave will remain constant as it travels from one medium to another?

Accepted Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Answer

Speed

Question 36

A wave with a wavelength of 2 meters travels at a speed of 10 meters per second. What is the frequency of the wave?

Accepted Answer

5 Hz

Answer

20 Hz

Answer

10 Hz

Answer

2 Hz

Question 37

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

Accepted Answer

Can travel through a vacuum

Answer

Transfers energy

Answer

Can be transverse or longitudinal

Answer

Requires a medium to propagate

Question 38

Which of the following is an example of an electromagnetic wave?

Accepted Answer

Light

Answer

Sound waves

Answer

Water waves

Answer

Seismic waves

Question 39

According to the Doppler effect, why does the pitch of an ambulance siren change as it moves relative to an observer?

Accepted Answer

The perceived frequency of the sound is influenced by the motion of the source.

Answer

The speed of the sound is altered as the source moves.

Answer

The amplitude of the sound varies with the distance between the source and observer.

Question 40

A musical note with a frequency of 440 Hz is produced by a vibrating string. What is the period of this vibration?

Accepted Answer

0.0023 seconds

Answer

440 seconds

Answer

0.44 seconds

Answer

2.27 seconds

Question 41

Which of the following illustrates the principle of diffraction?

Accepted Answer

Light bending around the edge of an obstacle.

Answer

Sound waves traveling more slowly through solids than air.

Answer

Light waves being reflected by a mirror.

Answer

A wave's amplitude remaining constant as it travels.

Question 42

What happens to the amplitudes of two in-phase waves that interfere with each other?

Accepted Answer

They combine, resulting in a greater amplitude.

Answer

They remain unchanged.

Answer

They cancel each other out.

Question 43

When a wave is reflected from a fixed surface, what happens to its phase?

Accepted Answer

It undergoes a 180-degree phase shift.

Answer

It shifts by 90 degrees.

Answer

The phase shift differs depending on the wave type.

Answer

The phase remains unchanged.

Question 44

Which of the following is NOT an application of wave principles?

Accepted Answer

The operation of a piston engine.

Answer

Optical fiber technology in high-speed internet.

Answer

Medical imaging using ultrasound.

Answer

Radio wave transmission for communication.