1.

Match the column I with column II A. A-p,B-q,C-r,D-sB. A-q,B-p,C-s,D-rC. A-s,B-r,C-q,D-pD. A-r,B-s,C-p,D-q

Answer» Correct Answer - C
Permittivity of free space
`=("Charge"xx"charge")/(4pixx"electrical force"xx"distance"^(2))`
`[epsi_(0)]=([AT][AT])/([MLT^(-2)][L]^(2))=[M^(-1)L^(-3)T^(4)A^(2)]`
`A-s`
Radiant flux `=("energy emitted")/("Time")=([ML^(2)T^(-2)])/([T])=[ML^(2)T^(-3)]`
Resistivity`=("Resistance"xx"area")/("Length")`
`[rho]=([ML^(2)T^(-3)A^(-2)][L^(2)])/([L])=[ML^(3)T^(-3)A^(-2)]`
`C-q`
Hubble constant
`=("Recession speed")/("Distance")=([LT^(-1)])/([L])=[ML^(0)L^(0)T^(-1)]`


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