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Question

If the speed of light (c), acceleration due to gravity (g) and pressure (p) are as the fundamental quantities, then the dimension of gravitational constant is

A
c2g0p2
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B
c0g2p1
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C
cg3p2
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D
c1g0p1
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Solution

The correct option is A c0g2p1
Let [G]cxgypz

by substituting the following dimension ;
[G]=[M1L3T2],[c]=[LT1],[g]=[LT2]

and by comparing the power of both the sides
we can get x=0,y=2,z=1

So,[G]c0g2p1

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