Advertisements
Advertisements
प्रश्न
List the measures that you will take when designing a sound-proof room.
Advertisements
उत्तर
In order to design such a sound proof room we take the following measures
(1) The roof of the enclosure must be covered by plaster of paris after putting the sheets of thermocol.
(2) The walls of the enclosure should be covered by the wooden strips.
(3) The floor must be laid down by thick carpets.
(4) The machine parts of all the electrical equipments such as fan, air conditioner etc. must be placed outside the enclosure.
(5) Thick curtains should be used to cover the doors and keep them closed.
(6) Thick stripping must be used to cover the openings of doors and windows.
APPEARS IN
संबंधित प्रश्न
Which wave property determines (a) loudness, (b) pitch?
How does a bat make use of ultrasonics waves to find its way?
On what factor does the loudness of a sound depend ?
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
The wavelength of the vibrations produced on the surface of water is 2 cm. If the wave velocity is 16 ms-1, calculate:
- no. of waves produced in one second
- time required to produce one wave.
How is sound produced?
Can we produce sound in vacuum?
