Which of the following statements are true? I. In the interaction w...

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Which of the following statements are true?
I. In the interaction with matter, radiation behaves as if it is made up of particles called photons.
II. Each photon has energy \( E=h \mathrm{v} \) and momentum \( p=h \mathrm{v} / c \).
- III. Photons are electrically neutral and are not deflected by electric and magnetic fields.
-IV. In a photon-particle collision, photon number is conserved.
(a) I and II
(b) I, II and III
- (c) I, III and IV
(d) I, II and IV
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