A progressive wave has a wavelength of 50cm. calculate th...
A progressive wave has a wavelength of 50cm. calculate the phase difference between two points at a distance of 20cm apart.
10/3π
5/2 π
4/5 π
2/3 π
π/3
Correct answer is C
Phase difference = 2πxλ
= 2π×2050
= 45π
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