NEET Class neet Answered
Solution
Asked by brijk456 | 04 Sep, 2019, 11:51: PM
Expert Answer
velocity = frequency × wavelength
20 (m/s) = 50 (Hz) × wavelength
hence wavelength = 20/50 = 0.4 m = 40 cm
If wavelength is 40 cm, pathdifference of 10 cm is (1/4) times wavelength.
If T is time period of one wave, time difference for 10 cm = (1/4) T = (1/4)×(1/50) = ( 1/200 ) s
Answered by Thiyagarajan K | 05 Sep, 2019, 04:05: PM
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