Ultrasonic waves of frequency 3×105Hz are passed through a medium where speed of sound is 10 times that in air (Speed of sound in air is 300 m/s). The wavelength of this wave in that medium will be of the order of _________.
A
1 cm
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B
10 cm
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C
100 cm
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D
0.1 cm
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Solution
The correct option is A 1 cm Given, frequency(f) = 3×105Hz