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Q.

Which of the following pairs of physical quantities does not have same dimensional formula?

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a

Work and torque

b

Angular momentum and Planck’s constant

c

Tension and surface tension

d

Impulse and linear momentum

answer is C.

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Detailed Solution

Because, dimension formula of tension same as force

 [MLT-2]

and surface tension forcelength = [ML0T-2]

Work and torque, both are product of force and length.

Impulse is equal to change in momentum.

 

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