Q.

A gas molecule at the surface of earth happens to have rms speed for the gas at 0oC. Suppose it went straight up without colliding with other molecules, how high would it rise? Mass of the molecule is  4.65×10−26kg. Boltzmann’s constant =1.38×10−23J  K−1.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

12.2 km

b

4.1 km

c

6.3 km

d

3.2 km

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

vRMS=3kBTM=3×1.38×10−23×2734.65×10−26vRMS=493ms−1Particle moves upwards under the influence of gravity and stops (temporarily) after some time.h=u22a=u22g=(493)22×10⇒h=1.22×104m
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon
A gas molecule at the surface of earth happens to have rms speed for the gas at 0oC. Suppose it went straight up without colliding with other molecules, how high would it rise? Mass of the molecule is  4.65×10−26kg. Boltzmann’s constant =1.38×10−23J  K−1.