Question

The wave length of the photon having energy of 3.312 x 10-12 erg is ​

Answer 1

Answer:

Correct option is

A

662

Erg is the dimension of energy in CGS (centimeter-gram-second) system of units.

Therefore, 1erg=10

−7

joules.

Now, the energy of photon is 3 x 10

−19

J.

Using E=

λ

h×c

,

Wavelength (nm)=

3×10

−19

J

3×10

8

m/s×6.626×10

−34

Js=662nm.

Explanation:

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