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Light incident normally on a plane mirror attached to a galvanometer coil reflects backward as shown in figure. A current in the coil produces a deflection of 3.5 of the mirror. The displacement of the reflected spot of light on a screen placed 1.0 m away is
  • a)
    27.5 m
  • b)
    48.9 m
  • c)
    24.5 m
  • d)
    12.2 m
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Light incident normally on a plane mirror attached to a galvanometer c...
Angle of deflection is θ = 3.5, Distance, between the screen and the mirror is = 2.0m
The reflected rays get deflected by an amount twice the angle of deflection, i.e., 2θ = 7.0 ∴ tan 2θ = d/2
⇒ d = 2 × tan 7
= 2 × 0.1227
= 0.245m
= 24.5cm
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Light incident normally on a plane mirror attached to a galvanometer coil reflects backward as shown in figure. A current in the coil produces a deflection of 3.5 of the mirror. The displacement of the reflected spot of light on a screen placed 1.0 m away isa)27.5 mb)48.9 mc)24.5 md)12.2 mCorrect answer is option 'C'. Can you explain this answer?
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Light incident normally on a plane mirror attached to a galvanometer coil reflects backward as shown in figure. A current in the coil produces a deflection of 3.5 of the mirror. The displacement of the reflected spot of light on a screen placed 1.0 m away isa)27.5 mb)48.9 mc)24.5 md)12.2 mCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Light incident normally on a plane mirror attached to a galvanometer coil reflects backward as shown in figure. A current in the coil produces a deflection of 3.5 of the mirror. The displacement of the reflected spot of light on a screen placed 1.0 m away isa)27.5 mb)48.9 mc)24.5 md)12.2 mCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Light incident normally on a plane mirror attached to a galvanometer coil reflects backward as shown in figure. A current in the coil produces a deflection of 3.5 of the mirror. The displacement of the reflected spot of light on a screen placed 1.0 m away isa)27.5 mb)48.9 mc)24.5 md)12.2 mCorrect answer is option 'C'. Can you explain this answer?.
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