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JEE Main 2003 (AIEEE) · Reflection & Mirrors

Reflection & Mirrors question from JEE Main 2003 (AIEEE)

Q52JEE Main 2003 · AIEEEEasy

Reflection & Mirrors

To get three images of a single object, one should have two plane mirrors at an angle of

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Answer: (b)

  1. n=360∘θ−1n = \frac{360^\circ}{\theta} - 1
  2. 3=360∘θ−1⇒360∘θ=4⇒θ=90∘3 = \frac{360^\circ}{\theta} - 1 \Rightarrow \frac{360^\circ}{\theta} = 4 \Rightarrow \theta = 90^\circ
  3. So the answer is (b) 90∘90^\circ.
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