JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Cathode Rays and Positive Rays

  • question_answer
    Cathode rays are similar to visible light rays in that [SCRA 1994]

    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

    D)            They both can expose a photographic plate

    Correct Answer: D

    Solution :

               Light consists of photons and cathode rays consists of electrons. However both effect the photographic plate.


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