Write TRUE if the statement is correct and if it is wrong change the
underlined word or phrase to make it correct.
1. The greater the frequency and the lower the pitch.
2. Solid is the best transmitter of sound.
3. At 0°C, sound travels at a speed of 331.5m/s.
4. Sound cannot travel in a vacuum.
5. The smaller the amplitude of the sound wave that reaches your
eardrums, the greater the perceived loudness of the sound.
6. The speed of sound in solid and liquid is equal to the product of
frequency and wavelength of the sound.
7. A sound level of 120 dB which can cause pain and damage to the
ear is called the threshold of hearing
8. Sounds are caused by vibrations,
9. The minimum distance in which a sound wave repeats itself is
called its amplitude.
10. The frequency of a sound is inversely proportional to its
wavelength​