Question

A sodium street light gives off yellow light that has a wavelength of 600 nm. The
(For energy of a photon take E =
12400 eV A
lambda (A))​

Answer 1

Answer:

Wave length of light= 600nm=600×10

−9

M

Frequency=

Wavelength

Velocityoflight

=

6000×10

−9

3×10

8

=

26

13

×10

15

⇒

2

1

×10

15

s

−1

Wave number=

Wavelength

1

=

600×10

−9

1

⇒

6

1

×10

7

Explanation:

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Answer 2

Answer:

frequency of this light is 7*10 to the power 14 s - 1

Explanation:

Wave length of light= 600nm=600×10

−9

M

Frequency=

Wavelength

Velocityoflight

=

6000×10

−9

3×10

8

=

26

13

×10

15

⇒

2

1

×10

15

s

−1

Wave number=

Wavelength

1

=

600×10

−9

1

⇒

6

1

×10

7