Question

solve this numerical​

Answer 1

Answer:

Wavelength from energy

The formula is

E

=

h

c

λ

or  

λ

=

h

c

E

, where  

h

is Planck's constant.

For example, what is the wavelength of a photon that has an energy of

3.36 × 10⁻¹⁹ J?

λ

=

h

c

E

=

6.626

×

10

⁻

³

⁴

J⋅s

×

2.998

×

10

⁸

m⋅s⁻¹

3.36

×

10

⁻

¹

⁹

J

= 5.91 × 10⁻⁷ m =

591 nm

Explanation:

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