The time period of vibration of a source of sound is 0.025 sec . If the wave length of the sound wave produced by this source in air is 8.5m find the speed of the sound wave in air
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Answers
Answer:
A sound which is 4 times more intense than the sound in part d.
A sound which is 7 times more intense than the sound in part d.
A sound which is 10 times more intense than the sound in part d
A sound which is 100 times more intense than the sound in part d.
The sound of an orchestra playing a movement pianissimo at 7.5 x 10-6 W/m2 (very softly)
The sound of an orchestra playing a movement fortissimo at 2.5 x 10-4 W/m2 (very loudly)
Answer:
A sound which is 4 times more intense than the sound in part d.
A sound which is 7 times more intense than the sound in part d.
A sound which is 10 times more intense than the sound in part d
A sound which is 100 times more intense than the sound in part d.
The sound of an orchestra playing a movement pianissimo at 7.5 x 10-6 W/m2 (very softly)
The sound of an orchestra playing a movement fortissimo at 2.5 x 10-4 W/m2 (very loudly)