Advertisements
Advertisements
प्रश्न
What happens to the loudness of a sound if its amplitude decreases ?
उत्तर
The loudness of a sound decreases with the decrease in the amplitude of sound.
APPEARS IN
संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
Explain how defects in a metal block can be detected using ultrasound.
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
How is it that bats are able to fly at night without colliding with other objects ?
What is the range of frequencies associated with (a) infrasound (b) audible sound, and (c) ultrasound ?
Name an animal which navigates and finds food by ecolocation.
Which of the two produces ultrasonic waves : porpoise or whale ?
What is sonar ? Explain its use.