Tag: study of sound
Questions Related to study of sound
What should be the minimum distance between the listener and the reflector to hear an echo of sound propagating with a speed $v\ m s^{-1}$?
A man starts from rest and moves with constant acceleration towards a hill which is $648 m$ away. He fires a gun at the instant of starting and hears its echo after $4$ seconds. Velocity of sound in air is $320 m/s$
Why do we hear more clearly in a room with curtains than in a room without curtains?
_________ is a device which is based on multiple reflection and isused for sending amplified sound in a particular direction.
Which of the following device does not work on the multiple reflections of sound waves?
The persistence of audible sound due to the successive reflections from the surrounding objects even after the source has stopped to produce that sound is called
Reverberation time of a hall used for speeches should be very short. Why?
Curved surfaces which are used in big hall to direct the sound waves towards the people sitting in a hall are known as:
Mark the correct statement .
i) rock music also becomes less pleasing with excessive reverberation.
ii) excessive reverberation is desirable in case of orchestral and choral music.
iii) excessive reverberation makes the speech of a person indistinct.
A device based on multiple reflection used as hearing aid.