Advertisements
Advertisements
Question
What is mean by the reflection of sound?
Advertisements
Solution
Reflection of Sound:
The bouncing of sound waves from the interface between two media is termed as the reflection of sound.
APPEARS IN
RELATED QUESTIONS
Name the characteristic of sound in relation to its waveform
Define wavelength term in relation to a wave.
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which does not change.
State the use of echo by a bat, dolphin and fisherman.
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
The following diagram shows three ways in which the string of an instrument can vibrate.
(a) which of the diagram shows the principal note?
(b) which has the frequency four times that of the first?
(c) what is the ratio of the frequency of the vibration in (i) and (ii)?
Name the principle on which a soundboard works.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
Write the approximate value of the speed of sound in water.
Mention two properties of a wave, one property which varies and the other which remains constant when the wave passes from one medium to another.
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
What do you understand by the ‘Echolocation system of Dolphins’?
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
Explain why, the ceilings of concert halls are curved.
What is meant by an echo? Explain.
