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What is the energy of a single photon of visible light with a wavelength of 500.0 nm? 1 nm=10^−9 m

1. 3.97×10^−19 J


2. 84×10^14 J


2. 02×10^18 J


4. 95×10^−19 J

Sagot :

Answer:

3.97×10^−19 J

From the planks equation

E=hv

V= c/ wave length

V= 3×10^8/500×10^-9

=6×10^14

E= hv

6.63×10^-34×6×10^14

= 3.97×10^−19 J

Explanation:

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