Waves: An Interactive Learning Journey

Question 1

A wave with a high frequency has a:

Accepted Answer

Short wavelength

Answer

Long wavelength

Answer

High amplitude

Answer

Low amplitude

Question 2

Which type of wave can travel through solids, liquids, and gases?

Accepted Answer

Sound waves

Answer

Light waves

Answer

Radio waves

Answer

Water waves

Question 3

What is the difference between a longitudinal and a transverse wave?

Accepted Answer

Direction of particle vibration

Answer

Direction of wave propagation

Answer

Speed of propagation

Answer

Amplitude

Question 4

Which of the following describes the process of sound waves bouncing off a surface?

Accepted Answer

Reflection

Answer

Refraction

Answer

Diffraction

Answer

Interference

Question 5

A light wave with a wavelength of 450 nm appears:

Accepted Answer

Blue

Answer

Green

Answer

Red

Answer

Yellow

Question 6

Which type of wave can propagate without a medium?

Accepted Answer

Light waves

Answer

Sound waves

Answer

Water waves

Answer

Seismic waves

Question 7

What does the amplitude of a wave represent?

Accepted Answer

The vertical distance between the crest and the trough

Answer

The horizontal distance between two consecutive crests

Answer

The speed at which the wave travels

Answer

The number of oscillations per second

Question 8

Which factor primarily affects the speed of a wave?

Accepted Answer

The medium through which it travels

Answer

The wavelength of the wave

Answer

The frequency of the wave

Answer

The amplitude of the wave

Question 9

What is the SI unit of frequency?

Accepted Answer

Hertz

Answer

Meter

Answer

Second

Answer

Kelvin

Question 10

What is the difference between the crest and trough of a wave?

Accepted Answer

The crest is the highest point, while the trough is the lowest point

Answer

The crest is the lowest point, while the trough is the highest point

Answer

The crest is where the wave changes direction, while the trough is where it returns to its original direction

Answer

There is no difference between a crest and a trough

Question 11

Which property is NOT a characteristic of waves?

Accepted Answer

Force

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 12

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

Accepted Answer

They are inversely proportional

Answer

They are directly proportional

Answer

There is no relationship

Question 13

What type of wave is used to transmit signals in mobile phones?

Accepted Answer

Radio wave

Answer

Sound wave

Answer

Light wave

Answer

Water wave

Question 14

How do longitudinal waves differ from transverse waves?

Accepted Answer

In longitudinal waves, particles vibrate parallel to the direction of travel, while in transverse waves, they vibrate perpendicularly.

Answer

In transverse waves, particles vibrate parallel to the direction of travel, while in longitudinal waves, they vibrate perpendicularly.

Answer

Both types of waves vibrate in the same direction.

Question 15

What happens to the speed of a wave when it moves from one medium to another?

Accepted Answer

It can either increase or decrease

Answer

It always increases

Answer

It always decreases

Question 16

What unit is used to measure wavelength?

Accepted Answer

Meters

Answer

Seconds

Answer

Hertz

Answer

Decibels

Question 17

How does the frequency of a sound wave affect its pitch?

Accepted Answer

High frequency results in high pitch

Answer

High frequency results in low pitch

Answer

There is no relationship between frequency and pitch

Question 18

Which of the following is NOT an application of light waves?

Accepted Answer

Sonar

Answer

Photography

Answer

Telescopes

Answer

Medical imaging

Question 19

What type of wave is created by vibrations that occur parallel to the direction in which the wave is traveling?

Accepted Answer

Longitudinal

Answer

Transverse

Answer

Electromagnetic

Answer

Mechanical

Question 20

What is the relationship between wavelength and frequency?

Accepted Answer

Wavelength is inversely proportional to frequency

Answer

Wavelength is proportional to frequency

Answer

There is no relationship between wavelength and frequency

Answer

Wavelength is equal to frequency

Question 21

What is the approximate speed of light in a vacuum?

Accepted Answer

299,792,458 m/s

Answer

340 m/s

Answer

186,000 mi/s

Answer

108,000 km/h

Question 22

The speed, wavelength, and frequency of a wave are related by the equation:

Accepted Answer

v = λf

Answer

v = f/λ

Answer

f = v/λ

Answer

λ = v/f

Question 23

Of the visible colours, which one has the longest wavelength?

Accepted Answer

Red

Answer

Green

Answer

Blue

Answer

Violet

Question 24

The range of frequencies that humans can hear is approximately:

Accepted Answer

20 - 20,000 Hz

Answer

50 - 10,000 Hz

Answer

100 - 15,000 Hz

Answer

500 - 20,000 Hz

Question 25

The device used to convert sound waves into electrical signals is called a:

Accepted Answer

Microphone

Answer

Speaker

Answer

Amplifier

Answer

Oscilloscope

Question 26

Which type of wave needs a medium to travel through?

Accepted Answer

Sound waves

Answer

Electromagnetic waves

Answer

Light waves

Answer

Gravitational waves

Question 27

The frequency of a wave is measured in:

Accepted Answer

Hertz

Answer

Meters per second

Answer

Newtons

Answer

Candelas

Question 28

Which of the following is an example of sound wave application?

Accepted Answer

Ultrasound imaging

Answer

Radio communication

Answer

Satellite navigation

Answer

X-ray imaging

Question 29

Which of the following is not a characteristic of light waves?

Accepted Answer

Being longitudinal waves

Answer

Ability to travel through a vacuum

Answer

Relatively high frequency

Answer

Ability to be reflected and refracted

Question 30

What is the primary distinction between a longitudinal wave and a transverse wave?

Accepted Answer

In longitudinal waves, the vibrations occur parallel to the direction of travel, while in transverse waves, they are perpendicular to the direction of travel.

Answer

Longitudinal waves have a higher frequency than transverse waves.

Answer

Transverse waves require a medium to travel, while longitudinal waves do not.

Answer

There is no difference between longitudinal and transverse waves.

Question 31

What is the approximate speed of light in a vacuum?

Accepted Answer

299,792,458 meters per second

Answer

340 meters per second

Answer

186,282 miles per hour

Answer

It varies depending on the medium

Question 32

How do you calculate the wavelength of a wave?

Accepted Answer

Divide the speed of the wave by its frequency

Answer

Multiply the speed of the wave by its frequency

Answer

Divide the frequency of the wave by its speed

Answer

Wavelength cannot be calculated

Question 33

What is a key property of waves?

Accepted Answer

They can travel through different mediums, like air, water, and solids.

Answer

They only exist in liquids.

Answer

They are always visible to the naked eye.

Answer

They always move in a straight line.

Question 34

Which type of wave is created when an object vibrates?

Accepted Answer

Mechanical wave

Answer

Electromagnetic wave

Answer

Gravitational wave

Answer

Seismic wave

Question 35

What do we call the distance between two consecutive crests of a wave?

Accepted Answer

Wavelength

Answer

Frequency

Answer

Speed

Answer

Amplitude

Question 36

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

Accepted Answer

Light wave

Answer

Sound wave

Answer

Seismic wave

Answer

Water wave

Question 37

What happens to the speed of a wave when it moves from one medium to another?

Accepted Answer

It can change (increase, decrease, or remain the same).

Answer

It always increases.

Answer

It always remains the same.

Answer

It always decreases.

Question 38

What is the principle of superposition of waves?

Accepted Answer

When two waves meet, they combine to create a new wave.

Answer

When two waves meet, they cancel each other out.

Answer

When two waves meet, they reflect off each other.

Question 39

Give an example of a practical application of waves in our daily lives.

Accepted Answer

Medical imaging (e.g., X-rays, ultrasound)

Answer

Cooking food

Answer

Writing on paper

Answer

Playing music

Question 40

Which of the following is a unique characteristic of sound waves?

Accepted Answer

They require a medium to travel (e.g., air, water).

Answer

They are transverse waves.

Answer

They have a constant speed.

Answer

They can travel through a vacuum.

Question 41

How can you demonstrate the Doppler effect?

Accepted Answer

Move a sound source (e.g., a siren) towards or away from a listener.

Answer

Change the volume of the sound.

Answer

Change the pitch of the sound.

Question 42

Which of these is NOT a property that ALL waves share?

Accepted Answer

They all travel at the same speed

Answer

They have a frequency

Answer

They have a wavelength

Answer

They transfer energy

Question 43

What is the distance between two wave peaks (crests) called?

Accepted Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Answer

Speed

Question 44

If a wave vibrates faster (has a higher frequency), what happens to its wavelength?

Accepted Answer

It gets shorter

Answer

It depends on the type of wave

Answer

It gets longer

Answer

It stays the same

Question 45

What unit do we use to measure how many times a wave vibrates per second?

Accepted Answer

Hertz (Hz)

Answer

Joule (J)

Answer

Second (s)

Answer

Meter (m)

Question 46

Which of these uses waves to work?

Accepted Answer

Using a microwave to heat food

Answer

Riding a bicycle

Answer

Playing a video game

Answer

Reading a book

Question 47

How does our ear hear sound?

Accepted Answer

Sound waves make the eardrum vibrate.

Answer

The sound waves are absorbed by the ear canal.

Answer

The sound waves are reflected by the outer ear.

Answer

The sound waves are converted into electrical signals by the pinna.

Question 48

Which color of rainbow has the longest wavelength?

Accepted Answer

Red

Answer

Yellow

Answer

Green

Answer

Blue