The dimensional formula of heat energy is:

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Question

(A) Heat energy is a form of energy. The dimensional formula for any form of energy (kinetic,potential,heat,work,etc.) is derived from the formula $Wo

Vedclass · Accepted Answer

$[M^1L^2T^{-2}]$

Vedclass · Answer

(A) Heat energy is a form of energy. The dimensional formula for any form of energy (kinetic,potential,heat,work,etc.) is derived from the formula $Work = Force 	imes Displacement$.Since $Force = Mass 	imes Acceleration$,the dimensions of force are $[M^1L^1T^{-2}]$.Therefore,the dimensions of energy are $[M^1L^1T^{-2}] 	imes [L^1] = [M^1L^2T^{-2}]$.Thus,the correct option is $A$.

Column-$I$	Column-$II$
$(A)$ Electrical resistance	$(p)$ $M L^3 T^{-3} A^{-2}$
$(B)$ Electrical potential	$(q)$ $M L^2 T^{-3} A^{-2}$
$(C)$ Specific resistance	$(r)$ $M L^2 T^{-3} A^{-1}$
$(D)$ Specific conductance	$(s)$ None of these

Similar Questions

The dimensional formula $M L^{-1} T^{-2}$ does not represent which of the following physical quantities?

Match the following two columns:

Column-$I$ Column-$II$

$(A)$ Electrical resistance $(p)$ $M L^3 T^{-3} A^{-2}$

$(B)$ Electrical potential $(q)$ $M L^2 T^{-3} A^{-2}$

$(C)$ Specific resistance $(r)$ $M L^2 T^{-3} A^{-1}$

$(D)$ Specific conductance $(s)$ None of these

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