A) is a form of transverse wave
B) is a form of longitudinal wave
C) can be polarized
D) consists of quanta
Correct Answer: D
Solution :
The photoelectric effect is the emission of electrons from matter upon the absorption of electromagnetic radiation,. such as ultraviolet radiation or X-rays. Einstein explained this phenomenon by explaining that light consists of discrete energy packets called quanta, he wrote an equation for photoelectric effect that fits the experiment. \[{{E}_{k}}=hv-W\]where h is Plancks constant, v the frequency, W the work function and\[{{E}_{k}}\]the maximum kinetic energy of photoelectrons.
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