Wave Properties: Master the Fundamentals of Waves

Question 1

The distance between consecutive crests of a wave is known as its:

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Frequency

Answer

Velocity

Question 2

Which of the following equations correctly relates velocity (v), wavelength (λ), and frequency (f) for a wave?

Accepted Answer

v = λf

Answer

v = f/λ

Answer

v = λ/f

Answer

f = v/λ

Question 3

A wave with a frequency of 50 Hz travels at a velocity of 300 m/s. What is its wavelength?

Accepted Answer

6 m

Answer

5 m

Answer

7 m

Answer

8 m

Question 4

Transverse waves are characterized by:

Accepted Answer

Particle motion perpendicular to the direction of wave propagation.

Answer

Particle motion parallel to the direction of wave propagation.

Answer

Can only travel through solids.

Answer

Can only travel through liquids.

Question 5

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

Accepted Answer

Sound waves

Answer

Water waves

Answer

Radio waves

Answer

Light waves

Question 6

What happens to the wavelength of a wave when it enters a medium with a higher refractive index?

Accepted Answer

Decreases

Answer

Increases

Answer

Remains the same

Answer

Becomes zero

Question 7

Which phenomenon is caused by the interference of waves?

Accepted Answer

Beating

Answer

Refraction

Answer

Diffraction

Answer

Polarization

Question 8

What is the principle of superposition for waves?

Accepted Answer

The net displacement at a point is the algebraic sum of the displacements due to individual waves.

Answer

The net displacement at a point is the arithmetic mean of the displacements due to individual waves.

Answer

The net displacement at a point is the product of the displacements due to individual waves.

Answer

The net displacement at a point is the vector sum of the displacements due to individual waves.

Question 9

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

Accepted Answer

Density

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 10

What is the unit of frequency?

Accepted Answer

Hertz

Answer

Metres

Answer

Seconds

Answer

Metres per second

Question 11

The Doppler effect is the phenomenon where:

Accepted Answer

The frequency of a wave changes as the source or observer moves.

Answer

The wavelength of a wave changes as the source or observer moves.

Answer

The amplitude of a wave changes as the source or observer moves.

Answer

The velocity of a wave changes as the source or observer moves.

Question 12

A standing wave is created when:

Accepted Answer

Two waves of equal frequency and amplitude travel in opposite directions.

Answer

Two waves of equal frequency and amplitude travel in the same direction.

Answer

Two waves of different frequency and amplitude travel in opposite directions.

Answer

Two waves of different frequency and amplitude travel in the same direction.

Question 13

Which of the following is a characteristic of transverse waves?

Accepted Answer

Particles of the medium vibrate perpendicular to the direction of wave propagation.

Answer

Particles of the medium vibrate parallel to the direction of wave propagation.

Answer

Particles of the medium vibrate in a combination of directions.

Answer

Particles of the medium do not vibrate.

Question 14

What happens to the wavelength of a wave when it enters a medium with a higher velocity?

Accepted Answer

It decreases

Answer

It increases

Answer

It remains the same

Answer

It changes according to the medium's density

Question 15

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

Accepted Answer

Ultrasound waves

Answer

Gamma rays

Answer

Radio waves

Answer

Microwaves

Question 16

Which factor directly affects the speed at which a wave travels?

Accepted Answer

Medium through which the wave travels

Answer

Frequency

Answer

Wavelength

Answer

Amplitude

Question 17

A wave with a larger amplitude has:

Accepted Answer

Higher energy

Answer

Lower energy

Answer

Same energy

Answer

No energy

Question 18

The velocity of a wave is defined as:

Accepted Answer

Wavelength multiplied by frequency

Answer

Amplitude divided by wavelength

Answer

Frequency divided by amplitude

Answer

Amplitude multiplied by wavelength

Question 19

Which of the following is a transverse wave?

Accepted Answer

Light wave

Answer

Water wave

Answer

Sound wave

Answer

Seismic wave

Question 20

The phenomenon by which waves bend around obstacles is known as:

Accepted Answer

Diffraction

Answer

Refraction

Answer

Reflection

Answer

Interference

Question 21

The superposition principle states that:

Accepted Answer

Waves can interfere with each other constructively or destructively

Answer

Waves can pass through each other without affecting each other

Answer

Waves always cancel each other out

Answer

Waves always travel in straight lines

Question 22

The unit of frequency is known as:

Accepted Answer

Hertz (Hz)

Answer

Metre (m)

Answer

Second (s)

Answer

Metre per second (m/s)

Question 23

Which of the following factors does NOT influence the amplitude of a wave?

Accepted Answer

Frequency

Answer

Properties of the medium

Answer

Energy carried by the wave

Answer

Shape of the wave

Question 24

In a transverse wave travelling through a medium, the direction of particle displacement is:

Accepted Answer

Perpendicular to the direction of wave propagation

Answer

Parallel to the direction of wave propagation

Answer

At an angle to the direction of wave propagation

Answer

Random

Question 25

Which property is shared by all electromagnetic waves?

Accepted Answer

Travel at the speed of light

Answer

Require a medium to propagate

Answer

Are transverse in nature

Answer

Can be polarized

Question 26

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

Accepted Answer

Frequency

Answer

Wavelength

Answer

Amplitude

Answer

Velocity

Question 27

Diffraction of a wave can occur when it:

Accepted Answer

Passes through a narrow opening

Answer

Reflects off a surface

Answer

Refracts at an interface

Answer

Interferes with another wave

Question 28

The relationship between the wavelength and frequency of a wave is:

Accepted Answer

Inversely proportional

Answer

Directly proportional

Answer

No relationship exists

Answer

Depends on the medium

Question 29

Sound waves are an example of:

Accepted Answer

Longitudinal waves

Answer

Transverse waves

Answer

Surface waves

Answer

Electromagnetic waves

Question 30

The energy carried by a wave is proportional to its:

Accepted Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Answer

Velocity

Question 31

Which of the following is the SI unit of wavelength?

Accepted Answer

Meter

Answer

Hertz

Answer

Joule

Answer

Kelvin

Question 32

The frequency of a wave is measured in:

Accepted Answer

Hertz

Answer

Seconds

Answer

Meters

Answer

Watts

Question 33

Which property of a wave is affected by the medium it travels through?

Accepted Answer

Velocity

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 34

The velocity of a wave is determined by its:

Accepted Answer

Wavelength and medium

Answer

Amplitude and frequency

Answer

Wavelength and frequency

Answer

Amplitude and medium

Question 35

Which of the following statements about transverse waves is accurate?

Accepted Answer

Particles vibrate perpendicular to the wave's direction of travel.

Answer

Particles vibrate parallel to the wave's direction of travel.

Answer

Transverse waves can only travel through solids.

Answer

Transverse waves have no wavelength.

Question 36

The superposition principle describes the behavior of waves when they:

Accepted Answer

Combine to form a new wave.

Answer

Cancel each other out.

Answer

Reflect off each other.

Answer

Refract through each other.

Question 37

Diffraction refers to the bending of waves around:

Accepted Answer

Both obstacles and openings

Answer

Obstacles

Answer

Openings

Answer

Neither obstacles nor openings

Question 38

The speed of light in a vacuum is approximately:

Accepted Answer

3.0 x 10^8 m/s

Answer

1.5 x 10^8 m/s

Answer

4.5 x 10^8 m/s

Answer

2.5 x 10^8 m/s

Question 39

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

Accepted Answer

Force

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 40

A wave with a higher frequency has a:

Accepted Answer

Shorter wavelength

Answer

Longer wavelength

Answer

Higher amplitude

Answer

Lower velocity

Question 41

A wave that transmits energy without transferring matter is called a:

Accepted Answer

Electromagnetic wave

Answer

Mechanical wave

Answer

Longitudinal wave

Answer

Transverse wave

Question 42

The amplitude of a wave represents its:

Accepted Answer

Maximum displacement from equilibrium

Answer

Distance between crests

Answer

Wavelength

Answer

Frequency

Question 43

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

Accepted Answer

Sound

Answer

Light

Answer

Water waves

Answer

Radio waves

Question 44

The superposition principle states that:

Accepted Answer

Waves can interact and interfere with each other

Answer

Waves can travel only through specific mediums

Answer

Waves always travel in a straight line

Answer

The frequency of a wave is variable

Question 45

Which of the following is NOT a unit of wavelength?

Accepted Answer

Hertz

Answer

Meters

Answer

Centimeters

Answer

Nanometers

Question 46

The speed of light in a vacuum is closest to:

Accepted Answer

3 x 10^8 m/s

Answer

10 m/s

Answer

3 x 10^-8 m/s

Answer

1500 m/s

Question 47

Which of the following is NOT a property of waves?

Accepted Answer

Mass

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 48

Which of the following waves has the highest velocity?

Accepted Answer

Light

Answer

Water

Answer

Sound

Answer

Seismic

Question 49

A wave with a wavelength of 2 m and a frequency of 4 Hz has a velocity of:

Accepted Answer

8 m/s

Answer

16 m/s

Answer

2 m/s

Answer

0.5 m/s

Question 50

Which of the following is the SI unit of amplitude?

Accepted Answer

Meter

Answer

Hertz

Answer

Second

Answer

Newton

Question 51

The superposition principle states that when two or more waves overlap, the resulting displacement is:

Accepted Answer

The sum of the individual displacements

Answer

The average of the individual displacements

Answer

None of the above

Answer

The difference between the individual displacements