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JEE Main 2022 · 25 Jun · Shift 1, Physics question 36

The terminal velocity (vtv_t) of the spherical rain drop depends on the radius (r) of the spherical rain drop as :

Choose one option
Answer and worked solution

Official answer: C

Terminal velocity (Stokes): vt=2r2(ρ−σ)g9η∝r2v_t=\dfrac{2r^2(\rho-\sigma)g}{9\eta}\propto r^2.

(C)

Topics:Terminal velocityViscosity and Stokes' law
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