Wu TTISLI Uleil
none of these
The speed of sound in air at 0°C is-
4.
316m/s
332 m/s
400 m/s
531 m/s
5. The loudness of sound is measured in the units of-
joule
decibel
kilowatt
Ophon
6. Frequencies above 20,000 Hz are called
sonic
audible
infrasonics
ultrasonics
7. Speed of sound increases as it passes though-
solid <liquid > gas
gas <liquid < solid
liquid <gas < solid
gas > liquid > solid
Answers
Answered by
0
Answer:
5.
the loudness of sound is measured in the unit decibel
Answered by
0
Answer:
4 316
5. joules
6. ultrasonic
7. solid to liquid to gas
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