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.

T
Question Practice

What must happen for the internal energy of a system to remain constant?

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
Thermodynamics
Question Bank

What must happen for the inter...

Single Answer MCQ
Q-00058119

What must happen for the internal energy of a system to remain constant?

1

Heat must be added to the system.

2

Work must be done on the system.

3

Heat added must equal work done by the system.

4

No heat exchange.

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 is thermodynamics primarily concerned with?

Single Answer MCQ
View explanation
Q2.

Which historical belief about heat was replaced by the modern understanding?

Single Answer MCQ
View explanation
Q3.

What did Benjamin Thomson's experiment demonstrate?

Single Answer MCQ
View explanation
Q4.

What does the term 'thermal equilibrium' refer to?

Single Answer MCQ
View explanation