Advertisements
Advertisements
Questions
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
Solution 1
Free vibrations are produced when a body is disturbed from its equilibrium position and released.
Solution 2
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
RELATED QUESTIONS
State the ways by which the frequency of transverse vibrations of a stretch string can be increased
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
Draw a graph between displacement and the time for a body executing free/natural vibrations.
State one condition for a body to execute free/natural vibrations.
Explain why strings of different thicknesses are provided on a stringed instrument.
[Hint: Natural frequency of vibration of a stretched string is inversely proportional to the radius (or thickness) of string so notes of different frequencies can be produces by vibrating different strings.]
Two astronauts cannot hear each other on the moon. Why?
(a) Which one of the following graphs A or B shows free vibrations in a vacuum and which one shows free vibrations in a medium?
(b) How did you come to this conclusion.

Where can a body execute natural vibrations?
