Question

What is the number of photons of light with a wavelength of 4000pm that provide 1j of work?
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Answer 1

Answer:

hope it is help full

Explanation:

What is the number of photons of light with a wavelength of 4000 pm that provide 1J of energy?

ans N = E×λ/h×c = (1J×4×10-9 m)/(6.626×10-34 Js×3.0×108 ms-1) = 2.012×1016 photons.

Answer 2

Answer:

The number of protons is 4