Advertisements
Advertisements
Question
What is a soundboard ? Explain the working of a soundboard with the help of a labelled diagram.
Advertisements
Solution
A soundboard is a concave board that is placed behind the speaker in large halls or auditoriums so that the speech can be easily heard even by the person sitting at a considerable distance. The soundboard works in the following manner as the speaker is placed at the focus of the concave board. The concave surface of the soundboard reflects the sound of the speaker toward the audience and hence prevents the spreading of sound in various directions. Due to this, sound is distributed uniformly throughout the hall and even the persons sitting at the back of the hall can hear the speech easily.
APPEARS IN
RELATED QUESTIONS
Define amplitude term in relation to a wave.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
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.
Define the term Frequency (as applied to sound waves)
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
A cork piece is floating on the surface of the water in a pond. A piece of pebble is dropped into the water. What will be your observation?
