Which energy-level change shown in the diagram below emits electromagnetic radiation with the longest wavelength?

a) an electron moving from 4 to 5

b) an electron moving from 5 to 2

c) an electron moving from 6 to 1

d) an electron moving from 2 to 1

Question

Physics

Beard

25 December, 23:57

Which energy-level change shown in the diagram below emits electromagnetic radiation with the longest wavelength?

a) an electron moving from 4 to 5

b) an electron moving from 5 to 2

c) an electron moving from 6 to 1

d) an electron moving from 2 to 1

+4

Answers (1)

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Cortez Golden · Answer 1

D.

Emission occurs when electrons move from a higher to a lower energy level and the energy of the emitted particle is inversely proportional to the wavelength. Thus, a high wave length means it was a small energy transition.

Which energy-level change shown in the diagram below emits electromagnetic radiation with the longest wavelength?a) an electron moving from 4 to 5b) an electron moving from 5 to 2c) an electron moving from 6 to 1d) an electron moving from 2 to 1

Which energy-level change shown in the diagram below emits electromagnetic radiation with the longest wavelength?

a) an electron moving from 4 to 5

b) an electron moving from 5 to 2

c) an electron moving from 6 to 1

d) an electron moving from 2 to 1