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1986

JEE Main 1986 Chemistry question on Atomic Structure

The ratio of the energy of a photon of 200 Å wavelength radiation to that of 4000 Å radiation is
  1. A.
    14\frac{1}{4}
  2. B.
    4
  3. C.
    12\frac{1}{2}
  4. D.
    2
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Correct option: D

[1986]

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