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 0.63 times, the terminal velocity (v) is called time constant (\tau). Dimensionally τ can be represented by\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 (τ). Dimensionally τ can be represented by

NEET Exam Model Paper 1

Question : 99 of 180

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A spherical body of mass m and radius 'r' is allowed to fall in a medium of viscosity ′η′ The time in which the velocity of the body increases from zero to 0.63 times, the terminal velocity (v) is called time constant (τ). Dimensionally τ can be represented by

mr2
6πη
√(
6πmrη
g2
)
m
6πηrv
m
6πηr

Validate

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