Advertisements
Advertisements
प्रश्न
If a drum is beaten hard, its loudness ................
Advertisements
उत्तर
increases.
APPEARS IN
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
Shrillness of a sound is determined by the ______ of vibration.
State the safe limit of sound level in terms of decibel for human hearing.
Smaller the membrane, .................. is the pitch.
The safe limit of loudness of audible sound is
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
Two waves of the same pitch have amplitudes in the ratio 1 : 3. What will be the ratio of their:
- intensities and
- frequencies
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
