Advertisements
Advertisements
Question
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
Advertisements
Solution
We prefer to wear white clothes in summer. The reason is that the white clothes reflects most of the sun’s heat and absorb very little of the sun’s heat, thus they keep our body cool.
We prefer to wear black and dark coloured clothes in winter. The reason is that the black or dark colour clothes absorb most of the sun’s heat and keep our body warm
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Write true or false for a given statement.
Water is a bad conductor of heat.
Fill in the blank
Gases expand _______ than the liquids.
Select the correct alternative
Which of the statement is correct
Why do telephone wires sag in summer ?
State which expands more, when heated to the same temperature : solid, liquid or gas ?
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
During day time, air blows from ______ to ______.
______ is the only matter on the Earth that can be found naturally in all three states.
Explain the following effects of heat.
Expansion
