A) Interference
B) photoelectric effect
C) diffraction
D) polarization
Correct Answer: B
Solution :
According to quantum theory light travels in small bundles or packets of energy known as photons. The energy of photon in such case is \[hv,\]where\[h\]is Plancks constant and\[v\]the frequency of light. The intensity of light depends on the number of these photons. Einstein explained the phenomenon of photoelectric effect on the basic of Plancks quantum theory. Note: Interference, diffraction and polarization proved the wave nature of light.
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