A solid sphere falls with a terminal velocity of 20 ms^-1 in air. If it is allowed to fall in vacuum
A solid sphere falls with a terminal velocity of 20 ms-1 in air. If it is allowed to fall in vacuum
(a) Terminal velocity will be 20 ms-1
(b) Terminal velocity will be less than 20 ms-1
(c) Terminal velocity will be greater than 20 ms-1
(d) There will be no terminal velocity
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Correct option (c) Terminal velocity will be greater than 20 ms-1
Explanation :
In vacuum, there will be no viscous drag as well as upthrust.
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