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Physical Quantities

The dimension...

Question

The dimensional formula $M^{- 1} L^{3} T^{- 2}$ refers to :

A

Force

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B

Power

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C

Gravitational constant

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D

Energy

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Solution

The correct option is A Gravitational constant
Force $= M L T^{- 2}$
Power $= M L^{2} T^{- 3}$
Energy $= M L^{2} T^{- 2}$
Gravitation constant $= M^{- 1} L^{3} T^{- 2}$

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Q. Some physical constants are given in List - I and their dimensional formulae are given in List - II. Match the following :

List - I	List - II
A) Planck's constant	e) $[{M L}^{- 1} T^{- 2}]$
B) Gravitational constant	f) $[{M L}^{1} T^{- 1}]$
C) Bulk modulus	g) $[{M L}^{2} T^{- 1}]$
D) Linear momentum	h) $[M^{- 1} L^{3} T^{- 2}]$

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