Question
Q251) The frequency of a wave is 6 × 1015 s–1. Its wave number would be
Q251) The frequency of a wave is 6 × 1015 s–1. Its wave number would be
SOLUTION
Wave number = 1/wave length
λ = c/ν (ν is frequency)
Wave number = ν /c
Wave number = 6 × 1015 / 3×108
Wave number =2 × 107 m–1
Answer:(b)