JEE Main 2021 Physics question
Which of the following equations is dimensionally incorrect ? Where t = time, h = height, s = surface tension, = angle, = density, a, r = radius, g = acceleration due to gravity, v = volume, p = pressure, W = work done, = torque, = permittivity, E = electric field, J = current density, L = length.
Answer: (D)
Solution
TOPIC NOT IN SYLLABUS: printed key for this question is ambiguous in the source; the worked solution confirms options (A),
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