Advertisements
Advertisements
Question
State two ways of increasing the frequency of vibrations of a stretched string.
Advertisements
Solution
- The frequency of vibration of the stretched string can be increased by increasing the tension in the string.
- by decreasing the length of the string.
APPEARS IN
RELATED QUESTIONS
What do you understand by free vibrations of a body?
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).
State one way of increasing the frequency of a note produced by an air column.
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.
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?
(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.
