Wave Properties: Master the Fundamentals of Waves

Question 1

A wave with a frequency of 5 Hz has a period of:

Accepted Answer

0.2 seconds

Answer

1 second

Answer

5 seconds

Answer

10 seconds

Question 2

The speed of a wave is determined by its:

Accepted Answer

Frequency and wavelength

Answer

Wavelength and amplitude

Answer

Frequency and amplitude

Answer

Amplitude and density

Question 3

Which instrument utilizes the Doppler effect?

Accepted Answer

Radar gun

Answer

Speedometer

Answer

Sonar

Answer

Telescope

Question 4

According to the superposition principle, the resulting displacement at a point is:

Accepted Answer

The sum of the individual displacements.

Answer

The difference of the individual displacements.

Answer

The average of the individual displacements.

Answer

Equal to the largest individual displacement.

Question 5

A wave has a wavelength of 4 meters and a frequency of 3 Hertz. Calculate its speed:

Accepted Answer

12 m/s

Answer

1 m/s

Answer

4 m/s

Answer

25 m/s

Question 6

Which of the following factors does NOT affect the speed of a wave in a medium?

Accepted Answer

Amplitude of the wave

Answer

Density of the medium

Answer

Temperature of the medium

Answer

Elasticity of the medium

Question 7

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

Accepted Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Answer

Velocity

Question 8

Which of the following best describes the possible behaviors of a wave when it encounters a boundary?

Accepted Answer

Reflection, refraction, and diffraction

Answer

Reflection only

Answer

Refraction only

Answer

Diffraction only

Question 9

Which property is characteristic of electromagnetic waves?

Accepted Answer

They can travel through a vacuum

Answer

They have a longitudinal electric field

Answer

They are always transverse waves

Answer

They require a medium to propagate

Question 10

Which characteristic is unique to mechanical waves?

Accepted Answer

Require a medium to propagate

Answer

Can travel through a vacuum

Answer

Are always longitudinal

Answer

Have a constant speed

Question 11

Frequency of a wave is inversely proportional to:

Accepted Answer

Wavelength

Answer

Speed

Answer

Amplitude

Answer

Energy

Question 12

Which material typically has the highest refractive index?

Accepted Answer

Diamond

Answer

Air

Answer

Water

Answer

Glass

Question 13

The amplitude of a wave describes its:

Accepted Answer

Maximum displacement from the equilibrium position

Answer

Speed

Answer

Wavelength

Answer

Frequency

Question 14

Which medium **cannot** transmit a wave?

Accepted Answer

Vacuum

Answer

Solids

Answer

Liquids

Answer

Gases

Question 15

Which phenomenon is responsible for the bending of a wave as it passes from one medium to another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Polarization

Question 16

When a wave enters a medium with a higher refractive index, what happens to its wavelength?

Accepted Answer

Decreases

Answer

Increases

Answer

Remains the same

Answer

Becomes zero

Question 17

Which property of electromagnetic waves is distinct from other types of waves?

Accepted Answer

Propagation speed equal to the speed of light

Answer

Requirement for a medium for propagation

Answer

Transverse nature

Answer

Ability to be polarized

Question 18

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

Accepted Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Answer

Medium

Question 19

In medical imaging applications, which type of wave is commonly employed?

Accepted Answer

X-rays

Answer

Radio waves

Answer

Microwaves

Answer

Sound waves

Question 20

When two waves are in phase, what is the phase difference between them?

Accepted Answer

0

Answer

π

Answer

π/2

Answer

3π/2

Question 21

Which of the following effects is a direct result of wave diffraction?

Accepted Answer

Waves bending around obstacles

Answer

Waves reflecting from surfaces

Answer

Waves refracting at boundaries

Answer

Waves superimposing with each other

Question 22

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

Accepted Answer

Color

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 23

Which type of wave has vibrations perpendicular to the direction of wave propagation?

Accepted Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Answer

Electromagnetic wave

Question 24

The number of oscillations per second is measured in:

Accepted Answer

Hertz (Hz)

Answer

Metres (m)

Answer

Seconds (s)

Answer

Watts (W)

Question 25

The superposition of two or more waves, resulting in a combined wave pattern, is known as:

Accepted Answer

Interference

Answer

Diffraction

Answer

Polarization

Answer

Refraction

Question 26

In the context of medical imaging, sound waves used for creating images of internal body structures are known as:

Accepted Answer

Ultrasound

Answer

X-rays

Answer

Magnetic resonance imaging (MRI)

Answer

Positron emission tomography (PET)

Question 27

Electromagnetic waves are distinguished by the absence of:

Accepted Answer

Dependence on a medium for propagation

Answer

Electric and magnetic fields

Answer

The ability to travel through a vacuum

Answer

Constancy of speed in all media

Question 28

The change in wave frequency perceived by an observer due to the relative motion between the wave source and the observer is called:

Accepted Answer

Doppler effect

Answer

Compton effect

Answer

Photoelectric effect

Answer

Greenhouse effect

Question 29

A device that utilizes a diffraction grating to separate light into its component colors is called:

Accepted Answer

Spectrometer

Answer

Telescope

Answer

Microscope

Answer

Radar

Question 30

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

Accepted Answer

Timbre

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 31

A wave with a longer wavelength has a:

Accepted Answer

Lower frequency

Answer

Higher frequency

Answer

Equal frequency

Answer

Shorter period

Question 32

Which type of wave can travel through a vacuum?

Accepted Answer

Electromagnetic wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 33

Which of the following is the SI unit of wavelength?

Accepted Answer

Metre

Answer

Hertz

Answer

Second

Answer

Joule

Question 34

A wavefront is a surface where:

Accepted Answer

Waves have equal phase

Answer

Waves start

Answer

Waves end

Answer

Waves are refracted

Question 35

The superposition principle states that:

Accepted Answer

Waves can combine or cancel each other

Answer

Waves interact by colliding

Answer

Waves can pass through each other without interference

Answer

Waves always travel in straight lines

Question 36

A wave with a higher frequency has a:

Accepted Answer

Faster velocity

Answer

Higher amplitude

Answer

Greater wavelength

Answer

Smaller amplitude

Question 37

Which type of wave requires a medium to propagate?

Accepted Answer

Mechanical wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Electromagnetic wave

Question 38

When two waves of the same frequency and amplitude interfere constructively, the resulting wave has:

Accepted Answer

Double the amplitude

Answer

Half the wavelength

Answer

Quarter the frequency

Answer

Zero amplitude

Question 39

The diagram shows a wave traveling through a medium. What is the wavelength of the wave?

Accepted Answer

Distance between B and C

Answer

Distance between A and B

Answer

Distance between C and D

Answer

Distance between A and D

Question 40

Which of the following statements about wave energy is true?

Accepted Answer

Wave energy is proportional to amplitude squared

Answer

Wave energy is proportional to frequency squared

Answer

Wave energy is proportional to wavelength squared

Answer

Wave energy is independent of amplitude, frequency, and wavelength

Question 41

Which of the following is NOT a characteristic of waves?

Accepted Answer

Density

Answer

Amplitude

Answer

Frequency

Answer

Velocity

Question 42

A wave with a shorter wavelength has a:

Accepted Answer

Higher frequency

Answer

Lower frequency

Answer

Longer period

Answer

Shorter period

Question 43

The speed of a wave is determined by:

Accepted Answer

Medium and wavelength

Answer

Amplitude only

Answer

Wavelength only

Answer

Frequency only

Question 44

In a diffraction experiment, the bending of waves around an obstacle is most pronounced when the wavelength is:

Accepted Answer

Shorter than the obstacle

Answer

Longer than the obstacle

Answer

Equal to the obstacle

Answer

Twice the obstacle

Question 45

The Doppler effect is a change in the:

Accepted Answer

Frequency of a wave

Answer

Wavelength of a wave

Answer

Speed of a wave

Answer

Amplitude of a wave

Question 46

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

Accepted Answer

Electromagnetic wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Sound wave

Question 47

The distance between two consecutive crests or troughs of a wave is known as the:

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Frequency

Answer

Period

Question 48

A wave with a higher frequency has a:

Accepted Answer

Shorter wavelength and higher energy

Answer

Longer wavelength and lower energy

Answer

Greater amplitude and higher speed

Answer

Lower amplitude and lower speed

Question 49

A wave with a higher amplitude has:

Accepted Answer

Higher energy

Answer

Lower energy

Answer

Same energy

Answer

Cannot be determined

Question 50

The relationship between wavelength and frequency in a wave is:

Accepted Answer

Inversely proportional

Answer

Directly proportional

Answer

No relationship

Answer

Dependent on the medium

Question 51

Which type of wave exhibits oscillations perpendicular to the direction of propagation?

Accepted Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Answer

Standing wave

Question 52

What can happen to the speed of a wave when it changes medium?

Accepted Answer

Can either increase or decrease

Answer

Always increases

Answer

Always decreases

Answer

Remains the same

Question 53

Which factor(s) affect(s) the refractive index of a medium?

Accepted Answer

Both wavelength and density

Answer

Wavelength of light

Answer

Density of the medium

Answer

Neither wavelength nor density

Question 54

What is the phenomenon referred to when waves combine to produce a new wave with a larger amplitude?

Accepted Answer

Constructive interference

Answer

Destructive interference

Answer

Reflection

Answer

Refraction