Civil Engineering MCQJE Level Civil Engineering
Power of a lens is measured in:
Physics and ChemistryPhysics and ChemistryEASY
Choose the correct answer
A
decibel
B
weber
C
tesla
D
dioptre
Correct Answer
D. dioptre
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Lens power is reciprocal of focal length in metres, measured in dioptres.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.