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Questions  

The ratio of S.I.unit and C.G.S unit of universal gravitational constant is

a
103
b
10−3
c
106
d
10−5

detailed solution

Correct option is A

The dimensional formula of universal gravitational constant is G=M-1L3T-2S.I unit is U1=Kg-1m3s-2C.G.S unit is U2=gm-1cm3s-2U1U2=Kg-1m3s-2gm-1cm3s-2       =103gm-1102cm3s-2gm-1cm3s-2        =10-3+6        =103

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