Physics · Transmission of Heat
Which of the following 'mediums' is present between the inner and outer walls of a thermos flask, and what is its primary purpose?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Steel, because it prevents loss of heat due to radiation and convection
- 2Air, because it prevents loss of heat due to conduction
- 3Air, because it prevents loss of heat due to radiation and conduction
- 4Vacuum, because it prevents loss of heat due to conduction and convection✓
Correct answer
Vacuum, because it prevents loss of heat due to conduction and convection
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Transmission of Heat MCQs →Want more practice questions on Transmission of Heat?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Transmission of Heat