1.

The dimensions of thermal resistance are :

Answer»

`ML^(2)T^(-2)K^(-2)`
`ML^(2)T^(-3)K`
`ML^(2)T^(-2)K^(-1)`
`M^(-1)L^(-2)T^(3)K`.

Solution :Dimensional formula for the thermal resistance
`R_(H)=((T_(1)-T_(2)))/((DQ)/(dt))=(K)/("ML"^(2)T^(-3))=[M^(-1)L^(-2)T^(3)K]`
correct choice is (d).


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