JEE Mains · Physics · STD 11 - 9.1 fluid mechanics
The terminal velocity \(\left( v _{ t }\right)\) of the spherical rain drop depends on the radius ( \(r\) ) of the spherical rain drop as
- A \(r^{1 / 2}\)
- B \(r\)
- C \(r^{2}\)
- D \(r ^{3}\)
Answer & Solution
Correct Answer
(C) \(r^{2}\)
Step-by-step Solution
Detailed explanation
\(v _{ t }=\frac{2}{9} \frac{ gr ^{2}\left(\rho_{ p }-\rho_{1}\right)}{\eta} ; \quad v _{ t } \propto r ^{2}\)
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