Question

sound ko napne ke liye kya hota hai​

Answer 1

Answer:

sound lever meter ka use hota hai

Answer 2

Answer:

We measure sound intensity (also referred to as sound power or sound pressure) in units called decibels. Decibels (dB) are named in honor of Alexander Graham Bell, the inventor of both the telephone and the audiometer. An audiometer is a device that measures how well a person can hear certain sounds.