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Question

Match the statements of column A with those of column B

Column A

(A) Dispersion

(B) Scattering

(C) Total internal reflection

(D) Rectilinear propagation

Column B

(a) Mirage

(b) Pin hole camera

(c) Red light used as traffic signal

(d) rainbow


A

A⇢ c , B⇢ d, C⇢ a, D⇢ b

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B

A ⇢d, B⇢ c C⇢ a D ⇢ b

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C

A⇢ a B⇢ c C⇢ b D⇢ d

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D

A ⇢d B⇢ a C⇢ c D⇢ a

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Solution

The correct option is B

A ⇢d, B⇢ c C⇢ a D ⇢ b


Explanation :

  1. Dispersion : Splitting of visible white light into its seven constituent colors. Eg . Rainbow
  2. Scattering : In this the light gets deviated from its path into different directions. Eg Red light used as traffic light
  3. Total internal reflection : It is the phenomena in which light travelling in the denser medium bounces back into the denser medium after striking the surface of the rarer medium. Eg Mirage
  4. Rectilinear propagation : The propagation of light in a straight line direction without any hinderance. Eg Pin hole camera
  5. Hence, the correct sequence is A ⇢d, B⇢ c C⇢ a D ⇢ b

Thus, the correct option is (b)


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