Question

1. To provide 1.0
Joule energy
of
with wavelength
number of photons
light associated
6O0Oaº,
the
required
is.​

Answer 1

Answer:

The wavelength of light is 4000pm or 4000×10

−12

m or 4000×10

−9

m.

The energy one photon is

λ

hc

=

4×10

−9

6.626×10

−34

×3×10

8

=4.97×10

−17

.

The number of photons that will provide 1 J of energy is

4.97×10

−17

1J

J=2.01×10

18

Explanation:

i hope it helps you...