Sound can’t travel in

The unwanted sound in our surroundings leads to ……

An object is vibrating at 50 hertz. What is its time period?

The unit of frequency is

The shrillness of a sound is called

An object which moves to and fro motion from rest known as …

The number of vibrations produced per second is known as …

The oval window has the surface area … of the eardrum.

The unit for intensity of sound is

Audible range is

Pitch depends upon … of the sound.

Intensity of sound depends on

The unit decibel expressed in the name of …

… produce more shrillness sound.

… can’t travel in vacuum.