The quantities which have the same dimensions as those of solid angle are: (a) strain and angle (b) stress and angle (c) strain and arc (d) angular speed and stress

Answer: (a). Solid angle = A/r² is dimensionless. Strain = Δ l/l and angle = arc/radius are also dimensionless. Stress, arc and angular speed have dimensions. So the answer is (a) strain and angle.

The quantities which have the same dimensions as those of solid angle… | NEET 2024

Q29NEET 2024Easy

Units & Dimensions

The quantities which have the same dimensions as those of solid angle are:

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Answer: (a)

Solid angle $= A/r^2$ is dimensionless.
Strain $= \Delta l/l$ and angle $=$ arc/radius are also dimensionless.
Stress, arc and angular speed have dimensions.
So the answer is (a) strain and angle.

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