Question

answer this question ​

Answer 1

Explanation:

6.5×10

24

E=P×t

=60×10×60×60

=216×10

4

J

λ=6000

A

˚

=6000×10

−10

m

E=

λ

nhc

n=

hc

Eλ

=

6.626×10

−34

×3×10

8

216×10

4

×6000×10

−10

=6.5×10

24

photons.