Home » General Science » Physics » Question

Q.What is the principle of a ‘Life Jacket’?

  • AIt provides oxygen to a drowning person
  • BIt increases the volume of the person to keep him afloat
  • CIt decreases the volume of the person to keep him afloat
  • DThe person can sit on it like a raft
Correct Answer : (B)

It increases the volume of the person to keep him afloat
Hints :

It increases the volume of the person to keep him afloat.

Previous

What is the minimum escape velocity of rocket to be launched in to space?

Next

Which set of conditions represents the easiest way to liquify a gas?

Related MCQ Question

More MCQ Question

Join The Discussion

Comment Now

Morning Exam

Morningexam.com provides Electrical MCQs, Notes, Exam Materials and Online Test series for your Competitive exams. You can also get Current Affairs, GK, Aptitude, Verbal Ability, and Reasoning questions. Best for ITI and Diploma Students.

Quick Links

Contact us

Have questions, comments or just want to say hello:

Follow Us

Copyright 2022 All rights reserved. Developed by Sucharita Banerjee