Advertisements
Advertisements
प्रश्न
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Advertisements
उत्तर
When the windows rattle, at that moment, its natural frequency corresponds with the frequency with which the low notes of a pipe organ are sounded. Thus, resonance takes place which makes the windows to vibrate violently.
APPEARS IN
संबंधित प्रश्न
Loudness is determined by the __________ of vibration.
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
Name the factor that determines Pitch of the note.
A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3s and the second echo 2s later. Calculate:
1)The speed of sound.
2) The distance of the other cliff from the person
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.

Which of the following determines the loudness of a sound wave?
- 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)?
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
