NEET Physics Waves Questions Solved

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A wavelength 0.60 cm is produced in air and it travels at a speed of 300 ms–1. It will be an 

(1) Audible wave

(2) Infrasonic wave

(3) Ultrasonic wave

(4) None of the above

(3) n=vλ=3000.6×102Hz=36×104Hz=50,000Hz

⇒ Wave is ultrasonic.

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