WorksheetsExploring Sound and Light Phenomena
Total questions: 7
Worksheet time: 4mins
Which of the following is a property of sound waves?
Sound waves can travel through a vacuum.
Sound waves are longitudinal waves.
Sound waves are visible to the human eye.
Sound waves do not require a medium to travel.
How is sound measured in decibels (dB)?
By measuring the frequency of the sound wave.
By measuring the amplitude of the sound wave.
By measuring the speed of the sound wave.
By measuring the wavelength of the sound wave.
What happens to light when it passes from air into water?
It speeds up and bends away from the normal.
It slows down and bends towards the normal.
It continues in a straight line without bending.
It speeds up and bends towards the normal.
If a sound wave has a high frequency, what can be said about its pitch?
The pitch is low.
The pitch is high.
The pitch is medium.
The pitch is unaffected by frequency.
Which of the following best describes refraction?
The bouncing back of light from a surface.
The bending of light as it passes from one medium to another.
The spreading out of light waves.
The absorption of light by a surface.
What is the unit used to measure the intensity of sound?
Hertz (Hz)
Decibels (dB)
Meters (m)
Joules (J)
Which of the following statements is true about the speed of sound?
Sound travels faster in air than in water.
Sound travels faster in water than in air.
Sound travels at the same speed in all mediums.
Sound cannot travel through solids.
