engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics The Kinetic Theory of Gases Ideal Gases
The root mean square speed of smoke particles of mass 5 × 10−17 kg in their Brownian motion in air at NTP is approximately.
[Given k = 1.38 × 10−23JK−1]
1
60 mm s−1
2
12 mm s−1
3
15 mm s−1
4
36 mm s−1