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Which of the following quantities is dim...

Which of the following quantities is dimensionless

A

Gravitational constant

B

Planck's constant

C

Power of a convex lens

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
`[G] = [M^(-1) L^3 T^(-2)] , h [ML^2 T^(-1)]`
Power `=1/("Focal length")=[L^(-1)]`
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