MCQ
Which is not electromagnetic radiation?
- AInfrared rays
- B$X-$ rays
- ✓Cathode rays
- D$\gamma$ rays
✓
Answer
Correct option: C.
Cathode rays
c
Electromagnetic waves contains only photons but Cathode-rays are beam of electrons therefore these are not considered as electromagnetic radiation.
Electromagnetic waves contains only photons but Cathode-rays are beam of electrons therefore these are not considered as electromagnetic radiation.
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