Reading
Language and writing
Essay
Mathematics
Physics
Chemistry
Mathematics
Biology
Other Resources
  • Other Resources Topics
Physics
Chemistry
Mathematics
Physics
Chemistry
Biology
Sample Papers
PastYear Papers
NEET Chapterwise Weightage
  • NEET Chapterwise Weightage Topics
NEET Syllabus
Answer key
IB DP Physics (HL & SL)
IB DP Chemistry (HL & SL)
IB Preparation Books (MYP & DP)
Class 12th PCM
Class 12th PCB
Class 11th PCM
Class 11th PCB
Class 10th
Class 9th
Class 8th
Class 7th
Class 6th

Internal energy, Heat an..



Post Your Question

Maximum Characters:

Post as a guest

I agree to terms and conditions, privacy policy and cookies policy of TestprepKart by submitting question here.

Q1. A stone has initial potential, kinetic and internal energy 7 J, 10 J and 2x J respectively, if the final kinetic energy, potential energy and internal energy are 5 J, 21 J and x respectively, what is the final internal energy?

(a) 2 J
(b) 4 J
(c) 5 J
(d) 9 J

Q2. A stone has initial potential, kinetic and internal energy 4 J, 15 J and 20 J respectively, if the final kinetic energy and potential energy of the stone is 5 J and 10 J respectively, what is the final internal energy?

(a) 15 J
(b) 20 J
(c) 24 J
(d) 32 J

Q3. A stone has initial potential and kinetic energy as 5 J and 20 J respectively if the final kinetic energy of the stone is 15 J what is its final potential energy?

(a) 0
(b) 10 J
(c) 15 J
(d) 25 J

Q4. A stone has initial potential and kinetic energy as 10 J and 5 J respectively if the final potential energy of the stone is 15 J what is its final kinetic energy?

(a) 0
(b) 5 J
(c) 10 J
(d) 15 J

Q5. Total energy of the universe is always ______

(a) Increasing
(b) Decreasing
(c) Constant
(d) Cannot say

Q6. . Ratio of change in internal energy of a substance from 15oC to T and from T to 10oC is ? 2, what is T?

(a) 5oC
(b) 15oC
(c) 20oC
(d) 30oC

Q7. Ratio of change in internal energy of a substance from 4oC to T and from T to 10oC is 2, what is T?

(a) 5oC
(b) 6oC
(c) 7oC
(d) 8oC

Q8. What is the change in internal energy of 1 mole of air ((Cv = 2.1 X 104 J/moleoC), if its temperature changes from 10oC to 5oC?

(a) 84 kJ
(b) 105 kJ
(c) ? 84 kJ
(d) ? 105 kJ

Q9. What is the change in internal energy of 2 mole of air (Cv = 2.1 X 104 J/moleoC), if its temperature changes from 10oC to 20oC?

(a) 420 kJ
(b) 540 kJ
(c) 840 kJ
(d) 1050 kJ

Q10. What is the change in internal energy for a process which has final and initial states are exactly similar?

(a) Positive
(b) Negative
(c) Zero
(d) Cannot say


0 votes
0 Answer
413 views

A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

Modified 236 Year Ago Bhavna

413
Bhavna
236 Year Ago

A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

0 votes
0 Answer
362 views

Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

Modified 4 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

362
4 Year Ago

Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

0 votes
0 Answer
352 views

In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

Modified 4 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

352
4 Year Ago

In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

0 votes
0 Answer
348 views

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

Modified 236 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

348
236 Year Ago

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

0 votes
0 Answer
345 views

If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

Modified 236 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

345
236 Year Ago

If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

0 votes
0 Answer
334 views

The Entropy Change Involved In The Isothermal Reversible

Modified 313 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

334
313 Year Ago

The Entropy Change Involved In The Isothermal Reversible

0 votes
0 Answer
303 views

Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

Modified 4 Year Ago Bhuv

303
Bhuv
4 Year Ago

Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

JEE Coaching Classes

Coaching classes for Physics, Chemistry and Maths...
Trusted By NRIs in UAE, Saudi, Oman, Qatar...

Get Free JEE Analysis Session

JEE Blogs

Get recent JEE News & Updates

JEE Admission

Admission counseling targeting India & US

JEE Community

Browse through thousands of JEE Questions asked by visitors and replied.

Contribute to existing questions or ASK YOURS
TestprepKart

TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].

Platforms

Menu

India Office: F - 377, Sector 63, Noida, U.P. - India (201301)

UK Office: 1 Locke Close, Harlow CM20 2GW, United Kingdom.

+91 8800 1234 92

+91 0120 - 4525484

[email protected]

WhatsApp Chat

JEE Information

JEE Preparation

JEE Application / Admission

Colleges

© Copyright 2024 www.testprepkart.com

Topics Post Question