Advertisements
Advertisements
प्रश्न
What is the safe limit of sound level of db for our ears?
एका वाक्यात उत्तर
Advertisements
उत्तर
Sound of level below 120 dB is safe for our ears.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
How is sound produced ?
On what factor does the loudness of a sound depend ?
Write two differences between transverse and longitudinal waves.
Is pitch same as frequency?
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s-1, find the time when B will hear the sound after firing by A.
Define one hertz.
Number of vibrations produced in one second is ______.
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
Find the odd one out.
