Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

KT
Question Practice

What is the formula for calculating mean free path (l) in terms of molecular diameter (d) and number density (n)?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 11
Physics
Physics Part - II
Kinetic Theory
Question Bank

What is the formula for calcul...

Single Answer MCQ
Q-00058342

What is the formula for calculating mean free path (l) in terms of molecular diameter (d) and number density (n)?

1

l = (1/2)πnd²

2

l = 1/(2πnd)

3

l = (2πn)/(d²)

4

l = πd/n

Previous QuestionNext Question

Video Explanation

Answer

Solution:

Watch Video Solution

Login to get access

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What does the atomic hypothesis propose?

Single Answer MCQ
View explanation
Q2.

According to Avogadro's law, what is true about equal volumes of gases at the same temperature and pressure?

Single Answer MCQ
View explanation
Q3.

What is the primary characteristic of gases according to the kinetic theory?

Single Answer MCQ
View explanation
Q4.

Which law explains that the volumes of gases that react chemically are in the ratio of small integers?

Single Answer MCQ
View explanation