A source produces 15 waves in 3s . The distance between crest and a trough in 15 cm. Find it frequency wavelength and velocity of the wave
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Answer:
Explanation:
No. Of waves in 3s= 15
No. Of waves in 1s=15÷3=5
(Frequency is the no. Of waves in 1s)
Thus, frequency=5Hz
Wavelength is the distance between two consecutive crest or trough
Distance between crest and trough=15cm (half the wavelength)
Wavelength=30cm
WaveVelocity=frequency*wavelength
=5*30
150cm/s
1.5m/s
Hope u understand
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