Advertisements
Advertisements
प्रश्न
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
Advertisements
उत्तर
- Amplitude - The louder sound corresponds to the wave of large amplitude.
- Loudness is directly proportional to the square of amplitude [loudness ∝ (amplitude)2].
APPEARS IN
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
What do you understand by the loudness of sound?
Name one property of waves that do not change when the wave passes from one medium to another.
Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch
Two identical guitars are played by two persons to give notes of the same pitch. Will they differ in quality? Give a reason for your answer.
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.
Name the factors which determine the pitch of a note.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
