Question

Calculate the energy of proto of light having frequency of 3.0 ×10¹⁵s^-1 ( okants constant 6.63×10^-3 Js.​

Answer 1

ANSWER:

If frequency =3×10

5

Hz

E=hv

=6.626×10

−34

J/s−1×3×10

5

=19.878×10

−29

J

if λ=0.5×10

−10

we know c=λv

v=3×10

8

/0.5×10

−10

=6×10

18

E=hv

=6.626×10

−34

J/s−1×6×10

18

=3.97×10

−15

J

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