Advertisements
Advertisements
प्रश्न
Maximum heat is absorbed by a ______ coloured object.
विकल्प
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
Advertisements
उत्तर
Maximum heat is absorbed by a black coloured object.
Explanation:
This is because black absorbs all wavelengths of light, converting them into heat energy. Lighter colours, on the other hand, reflect most of the light and absorb less heat.
संबंधित प्रश्न
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that ______.
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
Why is the freezing chest in a refrigerator fitted near its top?
Why are the houses in Rajasthan painted white?
What are the modes of heat transfer?
Explain which mode of heat transfer causes sea breezes and land breezes.
When ice changes into a liquid, it absorbs energy.
Take a sheet of paper. Draw a spiral on it as shown in Figure. Cut out the paper along the line. Suspend the paper as shown in Figure above a lighted candle. Observe what happens. Think of an explanation.
