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A light wave was calculated to have a length of 4x10^-7 m. what would the energy in the wave be?
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A light wave was calculated to have a length of 4x10^-7 m. what would the energy in the wave be?

User Igal Serban
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1 Answer

17 votes
17 votes

given:

λ = 5 x 10^-7 m, i.e the wavelength

to find:

the energy in the wave.

solution:

= c / λ

c =( 3 x 10^ 8 m/s)

f = 3x10^8ms-¹ /5 x10^-7m

= 6x10^14 Hz.

User Khuzi
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2.5k points
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