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11. Dual nature of radiation and matter — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics11. Dual nature of radiation and matter1 Mark
MCQ
Cathode rays are similar to visible light rays in that
  • A
    They both can be deflected by electric and magnetic fields
  • B
    They both have a definite magnitude of wavelength
  • C
    They both can ionise a gas through which they pass
  • ✓
    They both can expose a photographic plate
✓

Answer

Correct option: D.
They both can expose a photographic plate
d
(d)Light consists of photons and cathode rays consists of electrons. However both effect the photographic plate.

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