-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Student Visas
-
Arts, Commerce & Sciences
Exams
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Colleges & Courses
Predictors
-
Learn
Online Courses
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Exams
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- Home
- Engineering
- Can someone help me with this, Which of the following is incorrect regarding the first law of thermodynamics?
Which of the following is incorrect regarding the first law of thermodynamics?
- Option 1)
It introduces the concept of the internal energy
- Option 2)
It introduces the concept of entropy
- Option 3)
It is not applicable to any cyclic process
- Option 4)
It is a restatement of the principle of conservation of energy
Answers (4)
As we learnt in
First law of Thermodynamics -
Heat imported to a body in is in general used to increase internal energy and work done against external pressure.
- wherein
and
Second Law of Thermodynamics -
Planck's Statement
- wherein
It is impossible to extract heat from single body and convert whole into work.
and
Entropy -
It is a measure of disorder of molecular motion of a system.
- wherein
Greater is disorder greater is entropy
The concept of entropy is introduced in second law of thermodynamics.
First law dealt with internal energy, work and heat energy.
It is a statement of first law of thermodynamics.
Correct option is 2.
Option 1)
It introduces the concept of the internal energy
This option is incorrect.
Option 2)
It introduces the concept of entropy
This option is correct.
Option 3)
It is not applicable to any cyclic process
This option is incorrect.
Option 4)
It is a restatement of the principle of conservation of energy
This option is incorrect.
JEE Main high-scoring chapters and topics
Study 40% syllabus and score up to 100% marks in JEE
Similar Questions
- 0.27 g of a long chain fatty acid was dissolved in 100 cm3 of hexane. 10 mL of this solution was added dropwise to the surface of water in a
- 0.3 g of acid is neutralised by 40 cm3 .125N NaOH .equvivalent mass of acid is
- 1. A block of mass 10 kg is kept on a rough inclined as shown in figure. The coefficient of friction between the block and the surface is 0
Trending Articles/News
Latest Question
- A sum of money under compound interest doubles itself in 4 years. In how many years will it become 16 times itself? Option: 1 1
- A certain loan amounts, under compound interest, compounded annually earns an interest of Rs.1980 in the second year and Rs.2178 in the third year. How much interest did it earn in the first year?<
