Question

5. Energy of a photon with a wave length of 450 nm is
B) 436 x 10-13 ergs C) 4
A1
6 y 10-12
eros​

Answer 1

Hey!!

C= λv

C = speed of light

λ = wavelength

v = frequency

450 nm = 450 x 10-9 m

3.00 x 10^8 m/s = 450 x 10-9 m

v= 6.67 x 1014 Hz

E = hv

E = energy

h = planks constant

v = Frequency!!

E = 6.626 × 10-34 x 6.67 × 1014 1

E = 4.42 × 10-19 J

hope it helps ;)