Advertisements
Advertisements
Question
State one way of increasing the frequency of a note produced by an air column.
Solution
The frequency of the note produced in the air column can be increased by decreasing the length of the air column.
APPEARS IN
RELATED QUESTIONS
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?
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.]
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.
Two astronauts cannot hear each other on the moon. Why?
Explain why does a wine glass starts rattling, when a note of some particular frequency is struck by a piano?
Explain why strings of different thicknesses are provided on a stringed instrument.
(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.
