State the ways by which the frequency of transverse vibrations of a stretch string can be increased
Why are the Ultrasonic waves are not audible to us?
Name the waves used for echo depth sounding
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
What do you understand by free vibrations of a body?
What is meant by the natural frequency of vibration of a body?
On What factors does the natural frequency of vibration of a body depend?
Name one factors on which the frequency of sound emitted due to vibrations in an air column depends.