Sound hard

Sound Quiz (Hard)

1. Sound is a form of:

a) Light b) Heat c) Energy d) Matter

2. The speed of sound is fastest in:

a) Air b) Water c) Steel d) Vacuum

3. Sound cannot travel through:

a) Solids b) Liquids c) Gases d) Vacuum

4. The unit of measurement for frequency is:

a) Meters per second b) Hertz c) Watts d) Newton

5. Which of the following is not a musical instrument that produces sound through vibrations?

a) Flute b) Guitar c) Drum d) Piano

6. The pitch of a sound is determined by its:

a) Amplitude b) Frequency c) Speed d) Wavelength

7. Which part of the ear amplifies sound vibrations?

a) Outer ear b) Middle ear c) Inner ear d) Eardrum

8. The phenomenon of an echo is due to:

a) Absorption of sound b) Reflection of sound c) Refraction of sound d) Interference of sound

9. The sensation of sound persists in our memory for about:

a) 0.1 seconds b) 1 second c) 10 seconds d) 100 seconds

10. Sound waves are:

a) Longitudinal waves b) Transverse waves c) Electromagnetic waves d) Mechanical waves