SATHEE: Physics And Measurement Question 145

Physics And Measurement Question 145

Question: Which of the following quantities is dimensionless?

[MP PET 2002]

Options:

A) Gravitational constant

B) Planck’s constant

C) Power of a convex lens

D) None

Show Answer

Answer:

Correct Answer: D

Solution:

$[G] = [M^{- 1} L^{3} T^{- 2}]; [h] = [M L^{2} T^{- 1}]$

Power = $\frac{1}{focal length} = [L^{- 1}]$

All quantities have dimensions

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Physics And Measurement Question 145

Question: Which of the following quantities is dimensionless?

Options:

Answer:

Solution:

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