What is the energy in joules of a photon of red light having a wavelengh of 682 nm.
A. 1.84×10⁻¹⁹J
B. 2.91×10⁻¹⁹J
C. 2.01×10⁻¹⁹J
D. 3.46×10⁻¹⁹J

Q&A Education