Question

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Answer 1

Answer:

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Answer 2

Answer:

Calculate and compare the energies of two radiations one with wavelength 800 pm and the other with wavelength 400 pm.

1) First case: λ=800pm=800×10-12=8×10-10m.

2) c=3.0×108ms-1,h=6.626×10-34Js.

3) second case: λ=400pm=400×10-12=4×10-10m.

4) c=3.0×108ms-1,h=6.626×10-34Js.

Explanation:

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