Physics, asked by ac1770976, 2 days ago

A photon has energy of 20ev. Calculate the frequency and wavelength

Answers

Answered by amrita2006dash

1

Answer:

According to the formula,

E=

λ

hc

λ=

E

hc

=

2×1.6×10

−19

6.626×10

−34

×3×10

8

=6.204×10

−7

m

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