In winter we feel cold inside the house. If we come out in the sun, we feel warm. Why?

Cold air is trapped inside the four walls making the atmosphere of the room cold

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Cold air is trapped outside the four walls making the atmosphere of the room cold

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Both A and B

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Cannot say

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Solution

The correct option is A Cold air is trapped inside the four walls making the atmosphere of the room cold
The heat of the sun does not enter the house and moreover, the air circulation happens within the four walls of the house trapping the cold air inside. This is the reason why we feel cold inside the house, even when its sunny outside.

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The reason we are not crushed under the weight of air is, that the pressure inside our body is equal to the atmospheric pressure outside.

Q. We do not feel the pressure of the atmosphere around us, because the pressure in our bodies is roughly the same as the atmospheric pressure outside. Therefore, both the forces acting on our bodies cancel out and we do not feel uncomfortable. Type 1 for true and 0 for false

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Assertion:- Woolen clothes are preferred to be worn in winters.

Reason:- Air is trapped inside the woolen fibres which prevents the heat loss from human body.

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