Question

The weavelength of a spectral line
is 4000 A. Calculate its
frequency and energy​

Answer 1

Answer:

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Explanation:

λ=4000

A

˚

=4000×10

−10

E=

λ

hc

h=6.6×10

−34

E=

4000×10

−10

6.6×10

−34

×3×10

8

E=4.95×10

−19

J

Answer 2

Answer:

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