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Question 5033
NEET Physics · Hard

Units & Measurements: Error Analysis MCQ

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Error AnalysisHardQuestion 5033

Question

In an experiment, the refractive index n = sin((A+D)/2) / sin(A/2) where A = 60° ± 1° and D = 30° ± 1°. The error in n arises from:
  1. A
    Error in A only
  2. B
    Error in D only
  3. C
    Error in both A and D
    Correct
  4. D
    Cannot be determined

Correct answer

Error in both A and D

Explanation

Both A and D appear in the formula. The total error in n is a combined effect of errors in both prism angle A and angle of minimum deviation D. Both contribute to the uncertainty in n.

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