Advertisements
Advertisements
Question
What happens to the loudness of a sound if its amplitude decreases ?
Advertisements
Solution
The loudness of a sound decreases with the decrease in the amplitude of sound.
APPEARS IN
RELATED QUESTIONS
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
Explain how bats use ultrasound to catch a prey.
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the three characteristics of sound.
Name the unit used to measure the loudness of sound. Also write its symbol.
Fill in the blank with suitable word :
Loudness of sound depends on .....................
How is it that bats are able to fly at night without colliding with other objects ?
Name an animal which navigates and finds food by ecolocation.
Expand the abbreviation of the term SONAR.
