Question

Which one of the following observations that can be explained with the help of electromagnetic theory or classical physics?

a.Black body radiation

b.Photoelectric effect

c.Interference

d.Line spectra of atoms

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Answer 1

Answer:

a) Black body radiation

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Answer 2

Explanation:

c

Interference, in physics, the net effect of the combination of two or more wave trains moving on intersecting or coincident paths. The effect is that of the addition of the amplitudes of the individual waves at each point affected by more than one wave. Interference

d

When atoms are excited they emit light of certain wavelengths which correspond to different colors. The emitted light can be observed as a series of colored lines with dark spaces in between; this series of colored lines is called a line or atomic spectra.