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A spherical body of mass m and radius r is allowed to fall in
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A spherical body of mass m and radius r is allowed to fall in a medium of viscosity . The time in which the velocity of the body increases from zero to times the terminal velocity(v) is called time constant(). Dimensionally, can be represented by

A

B

C

D
None of these

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A spherical body of mass m and radius r is allowed to fall in a medium of viscosity . The time in which the velocity of the body increases from zero to times the terminal velocity(v) is called time constant(). Dimensionally, can be represented by
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Question Text
A spherical body of mass m and radius r is allowed to fall in a medium of viscosity . The time in which the velocity of the body increases from zero to times the terminal velocity(v) is called time constant(). Dimensionally, can be represented by