CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Blackbody

How is insula...

Question

How is insulation obtained from the heat of sun in a house through its roof?

Open in App

Solution

A layer of mud and straw is laid over the roof of a house in between the concrete and brick tiles in hot countries. Because this layer does not conduct heat of sun rays through roof into the room of the house and thus helps to keep the room cool in summer.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Seeing a bat flying over the roof of her house, Babita asked her father following questions:
(a) What is this night flying bird?
(b) How does it see during night?
(c) What does it eat and how does it obtain its food?

Sunlight falls on the roof of a closed house.

After some time, the floor of the house gets warm.

After some more time, a man sitting on a wooden chair inside the house feels the air getting warmer.

How is the heat transferred in each case?

Q. In case of an earthquake, it is advised to get under a table. However, the table can also break if the roof of the house fells on it. So how is it helpful?

Q. The houses heat up during summer due to heating up of the walls and roof. We can reduce this heating process by:
1) Using light coloured walls and painting the roof with reflecting paints
2) Covering the roof with insulating materials and planting trees to provide shades
3) Using more electricity energy to cool the house
4) Spraying cold water
Which of the above statements are correct?

Q. Assertion: We can not receive heat from the Sun through convection.
Reason: Sun is too far away from Earth. The heat from the Sun dissipates mid way.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Radiation

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon