Heat energy produced by sun reaches to earth due to __________.

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  1. conduction
  2. convection
  3. radiation
  4. Air

Answer (Detailed Solution Below)

Option 3 : radiation
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Explanation:

Conduction:

  • Conduction is a mode of heat transfer that needs a medium for the transfer of energy.

Convection:

  • Convention or convective heat transfer is the transfer of heat between two bodies by currents of moving gas or fluid.

Radiation:

  • Radiation is the method of heat transmission that occurs without the help of a medium.

So, we can say that the heat from the Sun reaches the Earth through radiation.

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