Question

Calculate the energy per quantum associated with light of wavelengths
(a) 250x10-9 m
(b) 4.0x10-8 cm
(c) 60 mm​

Answer 1

Explanation:

Use,

E=hc/λ

λ=250×10

−9

m

E=6.6×10

−34

×3×10

8

/(250×10

−9

)J=7.95×10

−19

J.