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The wavelength of sound in air is 10 cm. its frequency is, (Given velocity of sound = 330 m/s) (a) 330 cycles per second (b) 3.3 kilo cycles per second (c) 30 mega-cycles per second (d) 3 × 105 cycles per second

The wavelength of sound in air is 10 cm. its frequency is, (Given velocity of sound = 330 m/s)
(a) 330 cycles per second
(b) 3.3 kilo cycles per second
(c) 30 mega-cycles per second
(d) 3 × 105 cycles per second

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The answer is option b

Regards
Vikas TU
14149 Points
one year ago
f = 3430 per second or 3430 Hz. So, the frequency of sound wave in air is 3430 Hz if the wavelength is 10cm.

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