Advertisements
Advertisements
प्रश्न
Name the unit used to measure the sound level.
Which unit is used to measure sound level?
अति संक्षिप्त उत्तर
Advertisements
उत्तर
Unit used to measure sound level is decibel (dB).
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Fill in the blank.
________ produces a sensation in ears.
Name the two characteristics of sound which differentiate two sounds from each other.
You recognize your friend by hearing his voice on a telephone. Explain.
How is it possible to recognize a person by his voice without seeing him?
What do you understand by amplitude of an oscillation?
The speed of a wave is 350 ms-1. Find the wavelength of the wave whose frequency is 700 Hz.
A medium is necessary for ______ of sound.
From diagram given below calculate:
- velocity of P and Q
- frequency of P, when frequency of Q is 512 Hz.
Assume that both wave are traveling in same medium.
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
Sound cannot travel through ______.
