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Question: Answered & Verified by Expert
Light incident normally on a plane mirror attached to a galvanometer coil retraces backwards as shown in Fig.. A current in the coil produces a deflection of 3.5o of the mirror. What is the displacement of the reflected spot of light on a screen placed 1.5 m away?

ChemistryRay OpticsNEET
Options:
  • A 19.6cm
  • B 18.4cm
  • C 14.6cm
  • D 11.9cm
Solution:
1603 Upvotes Verified Answer
The correct answer is: 18.4cm
Correct Option is : (B)
18.4cm

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