The wavelength of light that has a frequency of 1.20×1013s-1 is __________ m

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High School
Physics
Light and Optics
Optics

Rowan Stuart

Answered question

2023-01-04

The wavelength of light that has a frequency of

1.20 \times 10^{13} s^{- 1}

is __________ m

Answer & Explanation

Kaylee Howard

Beginner2023-01-05Added 7 answers

Step1: We have that
Light's periodicity =

f

1.20 \times 10^{13} s^{- 1}

Speed of light =

c

3 \times 10^{8} m / s

Step2: Formula used -

c = f \times λ

Where,

c

= velocity of light

f

= frequency of light

λ

= wavelength of the light
Step3: Determining the light's wavelength

c = f \times λ λ = \frac{c}{f} λ = \frac{3 \times 10^{8}}{1.2 \times 10^{13}} λ = 2.5 \times 10^{- 5} m

Thus, The wavelength of the given light is

2.5 \times 10^{- 5} m

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