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WorksheetsCh 8. Sound and light
Total questions: 10
Worksheet time: 5mins
The substance through which the wave can travel is called.....................
Medium
Matter
Material
Metals
Which of the following could change the pitch of your voice? [2 correct answers]
Tightening the vocal cords
Relaxing the vocal cords
Vibrating the vocal cords
Not vibrating the cords
Which of the following cause echo?
Transmission
Absorption
Reflection
Refraction
Unlike sound waves, light can travel in……………………
Solids
Liquids
Gases
Vacuum
The particles of light are called………………….
Photons
Objects
Amplitude
Frequency
Which of the following is true?
If a photon has a higher frequency, it has more energy
If a photon has a higher frequency, it has less energy
If a photon has a less frequency, it has more energy
No relation between the energy and frequency
Which of the following has higher wavelength than infrared?
Radio waves
Visible light
X-rays
Gamma rays
The law of reflection states that incoming and outgoing angles is………………
Equal
Not the same
Always large
Always small
Which of the opposite waves has higher amplitude?
A
B
C
D
Allows all light to pass through
Transparent
Translucent
Opaque
