a helium-neon laser emits light with a wavelength 633 nm. Calculate its energy

Question

Question

science chemistry

Answer 1

Answer #1

Given that:

Wavelength of the light, λ = 633 nm = 633 x 10^-9 m

Planck's constant, h = 6.626 x 10^-34 J.s

Speed of light, C = 3 x 10⁸ m/s

Therefore, Energy of the light is given by:

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Answer 2

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