Advertisements
Advertisements
Question
List four substances which are good absorbers of sound.
Advertisements
Solution
When sound falls on sofa, fluffs and light substances such as clothes, papers, thermocol, coating of plaster of paris, carpets, curtains, furniture, wood etc., they absorb the sound to a good extent. These are called good absorbers of sound.
APPEARS IN
RELATED QUESTIONS
How does a bat make use of ultrasonics waves to find its way?
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
What is the nature of sound waves in air?
What is sound? What type of waves are sound wave in air?
Define the term amplitude of a wave. Write its S.I. unit.
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
200 waves pass through a point in one second. Calculate the time period of wave.
Sound travels in the form of ______.
Find the odd one out.
