Advertisements
Advertisements
प्रश्न
The earth receives heat from the sun by ______.
पर्याय
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
उत्तर
The earth receives heat from the sun by radiation.
Explanation:
Radiation is the transfer of energy through electromagnetic waves, such as light and infrared radiation. These waves travel through the vacuum of space, without the need for a medium, and reach the Earth, where they are absorbed, warming the planet.
संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Write true or false for a given statement.
Liquids are heated by conduction and radiation.
Fill in the blank
A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
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?
Explain briefly the process of heat transfer by radiation.
What are the modes of heat transfer?
Why are heaters fitted near the floor and air conditioners near the ceiling of a room?
When ice changes into a liquid, it absorbs energy.
