Advertisements
Advertisements
प्रश्न
What do you understand by free vibrations of a body?
What do you understand by free vibrations of a body? Give one example.
What do you understand by natural vibrations of a body? Give one example.
Advertisements
उत्तर १
Free vibrations are produced when a body is disturbed from its equilibrium position and released.
उत्तर २
The vibrations of a body in the absence of any external force on it are called free/natural vibrations.
For example, when we strike the keys of a piano, various strings are set into vibration at their natural frequencies.
APPEARS IN
संबंधित प्रश्न
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
Why are the Ultrasonic waves are not audible to us?
Draw a graph between displacement and the time for a body executing free/natural vibrations.
What is meant by the natural frequency of vibration of a body?
- Name one factor on which the frequency of sound emitted due to vibrations in an air column depends.
- How does the frequency depend on the factor stated in part (a).
State one way of increasing the frequency of a note produced by an air column.
A blade, fixed at one end, is made to vibrate by pressing its other end and then releasing it. State one way in which the frequency of vibrations of the blade can be lowered.
Define the term Amplitude.
Two astronauts cannot hear each other on the moon. Why?
Explain why strings of different thicknesses are provided on a stringed instrument.
