Home
Class 7
PHYSICS
Explain how heat transfer is reduced in ...

Explain how heat transfer is reduced in a thermos flask.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • HEAT

    ICSE|Exercise EXERCISE (SECTION II) (Numerical Questions)|5 Videos

  • HEAT

    ICSE|Exercise EXERCISE (PICTURE)|10 Videos

  • HEAT

    ICSE|Exercise EXERCISE (SECTION II) (Short Answer Questions)|7 Videos

  • FORCE AND PRESSURE : MOTION

    ICSE|Exercise EXERCISES (SECTION II) (Picture Study) |4 Videos

  • LIGHT ENERGY

    ICSE|Exercise EXERCISE (PICTURE STUDY) |10 Videos

Similar Questions

Explore conceptually related problems

Explain the Heat Stroke

Explain how lubricants help in reducing friction ?

''A hot liquid' remains hot and a cold liquid remains cold in a thermos flask.'' Explain how ?

Draw a labelled diagram of a thermos flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.

Look at the picture of the thermos flask and answer the following question The outer surface of the inner wall of a thermos flask has a very shiny surface. What effect will this have on heat escaping from a hot liquid inside a thermos flask?

What type of systes are the following system? Hot tea placed in a thermos flask.

Look at the picture of the thermos flask and answer the following question Which means of heat transfer are prevented by having a vacuum between the two walls of thermos flasks?

What is heat transfer ? Explain conduction of heat.

Explain briefly the process of heat transfer by radiation.

Name the mode of transfer of heat in the gas