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  9. Q2662

RRB Junior Engineer / DMS / CMA 2019 · Question 2662 of 3719

What is 1 Dioptre equal to?

  1. A1 $$m^{-1}$$Correct
  2. B1 $$mm^{-1}$$
  3. C1$$dm^{-1}$$
  4. D1 $$cm^{-1}$$

Answer: A. 1 $$m^{-1}$$

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (2-June-2019 Shift 2) — cracku.in solved paper with answer key · reliable-secondary

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