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Opera_Snapshot_2019-02-28_095718_www.entrance360.com.png The physical quantities not having same dimensions are a) torque and work c) stress and Young's modulus Correct Option momentum and Planck's constant

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a) Work done= Force * displacement and torque= force* perpendicular distance, so dimension of both are same

b) momentum = mv ,dimension is MLT^-1

energy E=h*frequency or dimension of h=ML^2T^-1 

both dimensions are not same

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d) speed of light C=\frac{1}{\sqrt{\mu_0\epsilon_0}}

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Safeer PP

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c) youngs modulus = stress/strain

strain is dimensioless

so dimension of stress= dimension of youngs modulus

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Safeer PP

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