MCQ
Which of the following quantities is dimensionless
- AGravitational constant
- BPlanck's constant
- CPower of a convex lens
- ✓None
✓
Answer
Correct option: D.
None
(d)$G]=\left[M^{-1} L^3 T^{-2}\right] ;[h]=\left[M L^2 T^{-1}\right]$Power $=\frac{1}{\text { focal length }}=\left[L^{-1}\right]$All quantities have dimensions
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