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Physics

Column X shows the kinds of electromagnetic waves and column Y shows their applications.

Column XColumn Y
(A) Infrared rays(i) in remote-controlled gadgets
(B) Radio waves(ii) for transmission
(C) X-rays(iii) for detection of bone fractures
(D) Ultraviolet rays(iv) absorption by atmospheric ozone layer

Choose the correct pairing :

  1. A - (i), B - (ii), C - (iii), D - (iv)
  2. A - (iv), B - (iii), C - (ii), D - (i)
  3. A - (i), B - (ii), C - (iv), D - (iii)
  4. A - (iii), B - (ii), C - (i), D - (iv)

Spectrum

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Answer

A - (i), B - (ii), C - (iii), D - (iv)

Reason — The correct pairing is :

Column XColumn Y
(A) Infrared rays(i) in remote-controlled gadgets
(B) Radio waves(ii) for transmission
(C) X-rays(iii) for detection of bone fractures
(D) Ultraviolet rays(iv) absorption by atmospheric ozone layer

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