Question

How much energy associated with radiation of wavelength 200nm

Answer 1

Answer:

Explanation:

we can find it out by using the formula

E = hc/λ

λ = 200 nm =  200 * 10^-9 m

h = 6.6 * 10^-34

c = 3* 10^8 m/s

on substituting

E =  99 * 10^-20 J