Advertisements
Advertisements
Question
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.
Advertisements
Solution
The inherent mass of the blade can be increased by lengthening it or by placing a small weight on the blade's free end.
APPEARS IN
RELATED QUESTIONS
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
Why are the Ultrasonic waves are not audible to us?
On What factors does the natural frequency of vibration of a body depend?
State one condition for a body to execute free/natural vibrations.
- 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).
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 wire stretched between two fixed supports, is plucked exactly in the middle and then released. It executes (neglect the resistance of the medium) ______.
Define the term Amplitude.
