What is the power required to do 100 J of work in 5 sec - Practice (Hindi) - ObjectiveMcq

Loading practice questions

A focused practice platform for competitive-exam MCQs, subject wise, topic wise practice, and current affairs revision.

Exams

SSC CGL
UPSC CSE PRELIMS
IBPS PO
RRB NTPC
CDS

Subjects

Mathematics
Physics
General Knowledge
English
Reasoning

Resources

Current Affairs
Search MCQs
Practice Sets

Company

About Us
Contact
Privacy Policy
Terms of Use
Disclaimer
Copyright

Practice library for exams, subjects, and daily revision. For learning purposes only.

© 2026 ObjectiveMcq.ComAll rights reserved

What is the power required to do 100 J of work in 5 sec - Practice (Hindi) - ObjectiveMcq

HomePracticeClass 9 SciencePhysicsWhat is the power required to do 10...

Physics Class 9 ScienceMedium

What is the power required to do 100 J of work in 5 seconds?

Correct Answer: D — 20 W

Explanation:

Power = Work ÷ Time = 100 ÷ 5 = 20 W.

Related Practice

What is the speed of sound in steel approximately?
Why is the speed of sound in solids higher than in gases?
Which of the following is an example of infrasonic sound?
What principle is used in SONAR for navigation?
What happens to sound waves when they hit a hard surface?
What is the persistence of sound due to multiple reflections called?
When is an echo heard?
In which medium is the speed of sound the highest?