Sound and Light: Interactive Quizzes and Learning Materials

Question 1

Which part of the electromagnetic spectrum has the longest wavelengths?

Accepted Answer

Radio waves

Answer

Gamma rays

Answer

X-rays

Answer

Microwaves

Question 2

A car drives past a stationary observer, sounding its horn. How does the pitch of the sound heard by the observer change as the car approaches and then drives away?

Accepted Answer

The pitch increases as the car approaches and decreases as it drives away.

Answer

The pitch decreases as the car approaches and increases as it drives away.

Answer

The pitch remains constant as the car approaches and drives away.

Answer

The pitch increases as the car approaches and remains constant as it drives away.

Question 3

Which of the following correctly describes the electromagnetic spectrum?

Accepted Answer

Visible light is found between ultraviolet and infrared radiation.

Answer

Radio waves have the shortest wavelengths.

Answer

Microwaves have higher frequencies than X-rays.

Question 4

Which of the following is NOT a property of waves?

Accepted Answer

Pitch

Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Question 5

Which of the following devices utilises the principle of reflection?

Accepted Answer

Mirror

Answer

Microscope

Answer

Camera

Answer

Telescope

Question 6

Which colour of light has the shortest wavelength?

Accepted Answer

Blue

Answer

Yellow

Answer

Red

Answer

Green

Question 7

Which colour of visible light has the longest wavelength?

Accepted Answer

Red

Answer

Green

Answer

Blue

Answer

Violet

Question 8

What is the unit used to measure sound intensity?

Accepted Answer

Decibel

Answer

Hertz

Answer

Meter

Answer

Volt

Question 9

What is the distinction between refraction and diffraction?

A.) Refraction:

Accepted Answer

The bending of light as it passes from one medium to another, while diffraction is the spreading out of light as it passes through an aperture.

Answer

The spreading out of light as it passes through an aperture, while refraction is the bending of light when it passes from one medium to another.

Answer

Refraction and diffraction are the same concept.

Answer

Refraction is the bending of light when it passes from one medium to another and diffraction is the reflection of light.

Question 10

What type of reflection occurs when a wave strikes a smooth surface and bounces off at the same angle?

Accepted Answer

Regular reflection

Answer

Diffuse reflection

Answer

Total internal reflection

Answer

Partial reflection

Question 11

What is the unit of frequency?

Accepted Answer

Hertz (Hz)

Answer

Metres per second (m/s)

Answer

Newtons (N)

Answer

Joules (J)

Question 12

Which of the following factors will decrease the speed of sound?

Accepted Answer

Density

Answer

Temperature

Answer

Frequency

Answer

Wavelength

Question 13

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

Accepted Answer

Speed = Wavelength x Frequency

Answer

Speed = Frequency / Wavelength

Answer

Wavelength = Speed / Frequency

Answer

Frequency = Wavelength / Speed

Question 14

When a light ray strikes a surface at a 90-degree angle, the angle of reflection is:

Accepted Answer

90 degrees

Answer

0 degrees

Answer

30 degrees

Answer

45 degrees

Question 15

The main energy source for photosynthesis is:

Accepted Answer

Light waves

Answer

Sound waves

Answer

Thermal radiation

Answer

X-rays

Question 16

Which property is NOT specific to sound waves?

Accepted Answer

Refraction

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 17

Which of the following scenarios does NOT involve the Doppler effect?

Accepted Answer

The observed change in colour of a distant galaxy as it moves further away from Earth.

Answer

The apparent shift in pitch of a car horn as it approaches and then passes by an observer.

Answer

The perceived change in frequency of a radio signal transmitted from a moving satellite.

Question 18

Ultrasound waves are used in everyday life for which of the following applications?

Accepted Answer

Medical imaging during pregnancy.

Answer

Communication over long distances.

Answer

Night vision technology.

Answer

Heating food in microwave ovens.

Question 19

Which portion of the electromagnetic spectrum has the smallest wavelength?

Accepted Answer

Ultraviolet

Answer

Visible light

Answer

Infrared

Answer

Microwaves

Question 20

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

Accepted Answer

Ability to travel through solids, liquids, and gases

Answer

Oscillations perpendicular to the wave's direction of travel

Answer

Exhibits interference patterns

Answer

Has both amplitude and wavelength

Question 21

What is the value of the speed of light in a vacuum?

Accepted Answer

299,792,458 m/s

Answer

340 m/s

Answer

186,282 mi/s

Answer

1,079,252,849 km/h

Question 22

When two or more waves combine to produce a new wave, what phenomenon is occurring?

Accepted Answer

Interference

Answer

Diffraction

Answer

Reflection

Answer

Refraction

Question 23

When a light ray moves from air to glass, it will:

Accepted Answer

Bend towards the normal.

Answer

Bend away from the normal.

Answer

Continue traveling in a straight line.

Answer

Be fully reflected.

Question 24

Which color of visible light has the highest frequency?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 25

The measure of sound intensity is expressed in:

Accepted Answer

Decibels

Answer

Watts per square meter

Answer

Hertz

Answer

Meters per second

Question 26

What is the term for the angle between the incident ray and the surface normal?

Accepted Answer

Angle of incidence

Answer

Angle of reflection

Answer

Angle of refraction

Answer

Angle of deviation

Question 27

What is the SI unit of frequency?

Accepted Answer

Hertz (Hz)

Answer

Newton (N)

Answer

Meter per second (m/s)

Answer

Decibel (dB)

Question 28

Which property describes how sound waves can bounce off surfaces?

Accepted Answer

Reflection

Answer

Diffraction

Answer

Interference

Answer

Absorption

Question 29

What is the approximate speed of light in a vacuum?

Accepted Answer

3 x 10^8 m/s

Answer

2 x 10^8 m/s

Answer

1 x 10^8 m/s

Answer

4 x 10^8 m/s

Question 30

What is the term for the change in speed and direction of light when it passes from one medium to another?

Accepted Answer

Refraction

Answer

Dispersion

Answer

Absorption

Answer

Reflection

Question 31

Which of the following is NOT part of the electromagnetic spectrum?

Accepted Answer

Sound waves

Answer

Radio waves

Answer

Ultraviolet light

Answer

X-rays

Question 32

Which type of electromagnetic wave has the highest frequency?

Accepted Answer

Gamma rays

Answer

Microwaves

Answer

Infrared radiation

Answer

Ultraviolet light

Question 33

Ultrasound imaging is an application of which type of wave?

Accepted Answer

Sound waves

Answer

X-rays

Answer

Radio waves

Answer

Light waves

Question 34

Which device converts electrical energy into light energy?

Accepted Answer

Light-emitting diode (LED)

Answer

Transistor

Answer

Resistor

Answer

Capacitor

Question 35

Which colour of visible light has the longest wavelength?

Accepted Answer

Red

Answer

Blue

Answer

Yellow

Answer

Green

Question 36

Which type of wave is radio communication an example of?

Accepted Answer

Electromagnetic wave

Answer

Water wave

Answer

Seismic wave

Answer

Sound wave

Question 37

What is the term for the bending of light as it passes from one medium to another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Interference

Question 38

Which of the following is a practical application of the reflection of light?

Accepted Answer

Mirrors

Answer

Lenses

Answer

Prisms

Answer

Holograms

Question 39

What is the unit of measurement commonly used to quantify the loudness of sound?

Accepted Answer

Decibel

Answer

Wavelength

Answer

Hertz

Answer

Amplitude

Question 40

Which color in the visible spectrum has the shortest wavelength and highest energy?

Accepted Answer

Violet

Answer

Red

Answer

Blue

Answer

Green

Question 41

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

Accepted Answer

In a transverse wave, particles move perpendicular to the wave's direction, while in a longitudinal wave, particles move parallel to the wave's direction.

Answer

Transverse waves can only travel through solids, while longitudinal waves can travel through all forms of matter.

Question 42

Which device utilizes the reflection of sound waves to measure distances?

Accepted Answer

Sonar

Answer

Laser

Answer

Radar

Answer

Telescope

Question 43

What is the phenomenon known as when two or more waves combine to form a resultant wave?

Accepted Answer

Interference

Answer

Reflection

Answer

Refraction

Answer

Diffraction

Question 44

When light strikes a plane mirror, what happens?

Accepted Answer

It is reflected at the same angle as it strikes

Answer

It is refracted into the mirror

Answer

It is absorbed by the mirror

Answer

It is scattered in all directions

Question 45

Which material is most likely to refract light?

Accepted Answer

Glass

Answer

Air

Answer

Wood

Answer

Metal

Question 46

What is the speed of light in a vacuum (rounded to the nearest whole number)?

Accepted Answer

300,000,000 m/s

Answer

30,000,000 m/s

Answer

3,000,000,000 m/s

Question 47

Which of the following is NOT part of the electromagnetic spectrum?

Accepted Answer

Sound waves

Answer

Radio waves

Answer

Microwaves

Answer

Visible light

Question 48

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

Accepted Answer

In a longitudinal wave, the particles vibrate parallel to the direction of travel, while in a transverse wave, they vibrate perpendicular to the direction of travel

Answer

Longitudinal waves are faster than transverse waves

Question 49

Which of the following colours has the longest wavelength?

Accepted Answer

Red

Answer

Yellow

Answer

Green

Answer

Blue

Question 50

What is the principle behind a fibre optic cable?

Accepted Answer

Total internal reflection

Answer

Interference

Answer

Dispersion

Answer

Refraction

Question 51

In a vacuum, what is the approximate speed of light?

Accepted Answer

3 x 10^8 m/s

Answer

3 x 10^7 m/s

Answer

3 x 10^9 m/s

Question 52

Which type of wave is light classified as?

Accepted Answer

Transverse

Answer

Shear

Answer

Surface

Answer

Longitudinal

Question 53

When a light ray reflects off a surface, what is the relationship between the angle of incidence and the angle of reflection?

Accepted Answer

Equal

Answer

Supplementary

Answer

Complementary

Answer

Perpendicular

Question 54

What is the electromagnetic spectrum?

Accepted Answer

The full range of electromagnetic radiation frequencies

Answer

The visible spectrum

Answer

The radio spectrum

Question 55

Which of the following is not a form of electromagnetic radiation?

Accepted Answer

Sound

Answer

Radio waves

Answer

Ultraviolet light

Answer

X-rays

Question 56

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

Accepted Answer

Inversely proportional

Answer

Directly proportional

Answer

Logarithmically related

Answer

Unrelated

Question 57

Which technology utilizes the reflection of sound waves?

Accepted Answer

Sonar

Answer

Telescopes

Answer

Lasers

Answer

Microscopes

Question 58

Which property is characteristic of lasers?

Accepted Answer

Monochromatic

Answer

Polychromatic

Answer

Incoherent

Question 59

Sound waves are ______________ waves, meaning they vibrate parallel to the direction they travel.

Accepted Answer

Longitudinal

Answer

Mechanical

Answer

Transverse

Answer

Electromagnetic

Question 60

When light bounces off a smooth surface like a mirror, it's called ______________ reflection.

Accepted Answer

Specular

Answer

Refracted

Answer

Scattered

Answer

Diffuse

Question 61

Which color of visible light has the longest wavelength, making it appear 'reddest'?

Accepted Answer

Red

Answer

Violet

Answer

Blue

Answer

Green

Question 62

When a sound wave travels from air into water, its frequency ___________.

Accepted Answer

Remains the same

Answer

Increases

Answer

Decreases

Answer

Changes unpredictably

Question 63

Lenses in eyeglasses and cameras work because of the principle of ___________.

Accepted Answer

Refraction

Answer

Diffraction

Answer

Reflection

Answer

Absorption

Question 64

The loudness of a sound is measured in ___________.

Accepted Answer

Decibels (dB)

Answer

Meters (m)

Answer

Hertz (Hz)

Answer

Watts (W)