EASY
10th ICSE
IMPORTANT
Earn 100

What is meant by the natural frequency of vibrations of a body? Name one factor on which it depends?

Important Questions on Sound

MEDIUM
10th ICSE
IMPORTANT
Draw a graph between displacement from mean position and time for a body executing free vibrations in vacuum.
MEDIUM
10th ICSE
IMPORTANT
State one condition for a body to execute free vibrations.
EASY
10th ICSE
IMPORTANT
Name one factor on which the frequency of sound emitted due to vibrations in an air column depends.
MEDIUM
10th ICSE
IMPORTANT

State one way of increasing the frequency of a note produced by an air column.

HARD
10th ICSE
IMPORTANT
State two ways of increasing the frequency of vibrations of a stretched string.
MEDIUM
10th ICSE
IMPORTANT
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
EASY
10th ICSE
IMPORTANT

The digram below in fig. 7.11 shows three ways in which the string of length l in an instrument can vibrate.

Question Image

(a) Which of the diagram shows the principal note?

EASY
10th ICSE
IMPORTANT

The digram below in fig. 7.11 shows three ways in which the string of length l in an instrument can vibrate.

Question Image

(b) Which has the frequency four times that of the first?