MCQ
Pick out correct statement from the following regarding photons:
- AZero rest mass and zero spin
- BZero rest mass and half integral spin
- ✓Zero rest mass and spin of unity
- DUnit rest mass and spin of unity
✓
Answer
Correct option: C.
Zero rest mass and spin of unity
Rest mass of photon is zero because it is just a form of energy.
Spin of a photon is $1.$
Spin of a photon is $1.$
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