JEE PHYSICS MCQ: UNITS & MEASUREMENTS

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Analyzing +4 | -1

A spherical body of mass

m

and radius

r

is allowed to fall in a medium of viscosity

\eta

. The time in which the velocity of the body increases from zero to 0.63 times the terminal velocity

(v)

is called time constant (

\tau)

. Dimensionally

\tau

can be represented by

View answer and explanation

Correct option: D

None of the above

Option D (None of the above) is correct because none of the provided options have the correct dimensions of time [T].

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