Physics · 2026
JEE Main · 21 January 2026, Shift 2 · Q46
The terminal velocity of a metallic ball of radius 6 mm in a viscous fluid is 20 cm/s. The terminal velocity of another ball of same material and…
The terminal velocity of a metallic ball of radius $\displaystyle 6$ mm in a viscous fluid is $\displaystyle 20$ cm/s. The terminal velocity of another ball of same material and having radius $\displaystyle 3$ mm in the same fluid will be
$\displaystyle \_\_\_\_$ cm/s.
Official answer
From NTA’s final answer key for this paper.
5
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.