A ball of radius r and density ρ dropped through a viscous liquid of density σ and viscosity η attains its terminal velocity at time t, given by t=Aρ^(a)r^(b)η^(c)σ^(d), where A is a constant and a, b, c and d are integers. The value of (b+c)/(a+d) is _ _ _.

Units and Measurements: JEE Main 2026 Physics question

JEE Main 2026 · 23 Jan, Evening shift · Q48

JEE Main 202623 Jan, Evening shiftPhysicsMediumUnits and Measurements122× since 2002

A ball of radius

r

and density

\rho

dropped through a viscous liquid of density

\sigma

and viscosity

\eta

attains its terminal velocity at time

t

, given by

t=A\rho^ar^b\eta^c\sigma^d

, where

A

is a constant and

a

b

c

and

d

are integers. The value of

\frac{b+c}{a+d}

is _____.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Units and Measurements Question with Solution (23 Jan Evening shift, Q48) | JEE Arc