NEET Physics Wave Motion MCQ Question
A bat emits ultrasonic sound of frequency 1000 kHz in air. If the speed of sound in air is 340 m/s, what is the wavelength of this sound in air?
0.34 m
3.4 m
0.034 m
34 m
Correct Answer
Detailed Explanation
The wavelength is calculated using the formula , where is the speed of sound and is the frequency. Substituting 340 m/s for speed and 1000 kHz (or 1,000,000 Hz) for frequency, we get m.
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