The pair of physical quantities not having the same dimensional formula are:

Acceleration, Gravitational field strength

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Torque, Angular momentum

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Pressure, Modulus of Elasticity

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All the above

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Solution

The correct option is B Torque, Angular momentum
Acceleration $= L T^{- 2} =$ Gravitational field strength
Torque $= M L^{2} T^{- 2}$
Angular momentum $= M L^{2} T^{- 1}$
Modulus of elasticity $= M L^{- 1} T^{- 2} =$ Pressure

Hence, option B is correct.

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