The two physical quantities among the following which don't have the same dimensions are:

B. Momentum and Planck's constant

Here's why:

A. Torque and work both have the dimensions of energy (ML^2T^-2).

C. Stress and Young's modulus both have the dimensions of pressure (ML^-1T^-2).

D. Speed has the dimensions of LT^-1 and (μ0ɛ0)^-1/2 also has the dimensions of speed (LT^-1).

B. Momentum has the dimensions of MLT^-1, while Planck's constant has the dimensions of energy multiplied by time (ML^2T^-1). Therefore, they do not have the same dimensions.

Question

The two physical quantities among the following which don't have the same dimensions are:

B. Momentum and Planck's constant

Here's why:

A. Torque and work both have the dimensions of energy (ML^2T^-2).

C. Stress and Young's modulus both have the dimensions of pressure (ML^-1T^-2).

D. Speed has the dimensions of LT^-1 and (μ0ɛ0)^-1/2 also has the dimensions of speed (LT^-1).

B. Momentum has the dimensions of MLT^-1, while Planck's constant has the dimensions of energy multiplied by time (ML^2T^-1). Therefore, they do not have the same dimensions.

Knowee AI · Accepted Answer

The two physical quantities among the following which don't have the same dimensions are:

B. Momentum and Planck's constant

Here's why:

A. Torque and work both have the dimensions of energy (ML^2T^-2).

C. Stress and Young's modulus both have the dimensions of pressure (ML^-1T^-2).

D. Speed has the dimensions of LT^-1 and (μ0ɛ0)^-1/2 also has the dimensions of speed (LT^-1).

B. Momentum has the dimensions of MLT^-1, while Planck's constant has the dimensions of energy multiplied by time (ML^2T^-1). Therefore, they do not have the same dimensions.

The two physical quantities among the following which don't have the same dimensions areA.torque and workB.momentum and Planck's constantC.stress and Young's modulusD.speed and (μ0ɛ0)-1/2

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