The sound produced in the surrounding is collected in to our ear by

An instrument working on the basis of reflection of sound is

Range of freequency associated with ultrasound is

Which os the fllowing organism use ultrasound?

The audible range of the average human ear is between

Persistence of sound due to repeated reflection is known as

Ear has a thin membrane called

The speed of sound in air is

Which form of energy is made to produce sound?

The bone with the shape of a hammer