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JIPMER 2014
Exam
JIPMER
Year
2014
Subject
Physics
Chapter
Ray Optics

JIPMER 2014 · Physics · Ray Optics

To get three images of a single object, we should have two plane...

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

Options

  1. A60∘60^{\circ}
  2. B90∘90^{\circ}
  3. C120∘120^{\circ}
  4. D30∘30^{\circ}

Correct answer

B. 90∘90^{\circ}

Step-by-step solution

n=360∘θ−13=360∘θ−1θ=90∘\begin{aligned} n=\frac{360^{\circ}}{\theta}-1 & \\ & 3=\frac{360^{\circ}}{\theta}-1 \\ \theta & =90^{\circ}\end{aligned}
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