Question

What is the frequency of photon, whose momentum is 1.1 × 10  23kgms  2 (a) 5 × 1016 Hz (b) 5 × 1017 Hz (c) 0.5 × 1018 Hz (d) 5 × 1018 Hz.​

Answer 1

Answer:

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Explanation:

Since,

  p^2/2m = Gν

Given, P = 1.1 × 10^ −23  Kgms^-2  

mass of proton = 1.67 × 10^−27  Kg

h=6.626×10^−34  Kgm^2/s

ν =  p^2 / 2mg

 = {(1.1 × 10^−23)^2 Kg^2  m^2  s^−4} / {2 x 1.67 x 10^-27 x 6.626 x 10^-34 kg m^2 / s}

ν = 0.05 × 10^15  Hz

ν = 5 × 10^13  Hz

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