a photon has a wavelength of 624 nm. calculate the energy of the photon in joules
Chemistry · High School · Tue Nov 03 2020
llm
Answered on
Formula:
ΔE=λhc
We have
λ = 624 nm = 6.24 × 10-⁷ m
h = planck's constant = 6.624 × 10-³⁴ joules
c = speed of light = 3 × 10⁸ m/s
E = (6.624 × 10-³⁴ × 3 × 10⁸ m/s)/6.24 × 10-⁷
= 3.185 × 10-¹⁹ joules