Question
Question: Which of the following quantities is dimensionless...
Which of the following quantities is dimensionless
A
Gravitational constant
B
Planck's constant
C
Power of a convex lens
D
None
Answer
None
Explanation
Solution
[G]=[M−1L3T−2];[h]=[ML2T−1]
Power = focal length1=[L−1]
All quantities have dimensions