A physical quantity of the dimensions of length that can be formed out of c, G and e^2/4πεo is (c is velocity of light, Gis universal constant of gravitation and e is charge] [2017]

Question:

4.A physical quantity of the dimensions of length that can be formed out of c, G and e^2/4πεo is (c is velocity of light, Gis universal constant of gravitation and e is charge] [2017]

Options :

a) [1/c^2]x[Ge^2/4πεo]^1/2
b) c^2xG[e^2/4πεo]^1/2
c) [1/c^2]x[e^2/G4πεo]^1/2
d) [1/c]xG[e^2/4πεo]

Answer :

a) [1/c^2]x[Ge^2/4πεo]^1/2

Answer Steps :

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