Test Index

JEE Main 27 July 2021 Shift 2 Solved Paper

© examsnet.com

Question : 3

Total: 90

A raindrop with radius R=0.2mm falls from a cloud at a height h=2000m above the ground.
Assume that the drop is spherical throughout its fall and the force of buoyance may be neglected, then the terminal speed attained by the raindrop is :
[Density of water fw=1000kgm−3 and Density of air fa=1.2kgm−3,g=10m∕s2
Coefficient of viscosity of air =1.8×10−5Nsm−2 ]

[27 Jul 2021 Shift 2]

250.6ms−1
43.56ms−1
4.94ms−1
14.4ms−1

Go to Question:

Prev Question

Next Question