Question 1

What type of wave is sound?

Accepted Answer

Longitudinal wave

Answer

Transverse wave

Answer

Electromagnetic wave

Answer

Scalar wave

Question 2

What is the reflection of sound waves called?

Accepted Answer

Echo

Answer

Diffraction

Answer

Refraction

Answer

Interference

Question 3

What is the bending of light called?

Accepted Answer

Refraction

Answer

Interference

Answer

Reflection

Answer

Diffraction

Question 4

What is the unit of measurement for frequency?

Accepted Answer

Hertz

Answer

Volt

Answer

Watt

Answer

Joule

Question 5

What is the name of the phenomenon where light waves interfere with each other?

Accepted Answer

Interference

Answer

Diffraction

Answer

Polarization

Answer

Reflection

Question 6

What is the name of the process where sound waves bounce off a surface?

Accepted Answer

Reflection

Answer

Diffraction

Answer

Refraction

Answer

Interference

Question 7

What is the unit used to measure frequency of sound waves?

Accepted Answer

Hertz

Answer

Watt

Answer

Newton

Answer

Joule

Question 8

What is the reflection of sound off a surface?

Accepted Answer

Echo

Answer

Chirp

Answer

Roar

Answer

Whistle

Question 9

What is the law of reflection?

Accepted Answer

Angle of incidence equals angle of reflection

Answer

Angle of incidence is double angle of reflection

Answer

Angle of incidence is half angle of reflection

Answer

Angle of incidence is perpendicular to angle of reflection

Question 10

What is the bending of a wave as it passes through different materials?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Absorption

Question 11

What is the source of all sound?

Accepted Answer

Vibration

Answer

Temperature

Answer

Electricity

Answer

Gravitational force

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