Question

We get heat from the sun by

• A. conduction
• B. convection
• C. radiation
• D. insulation

Answer 1

The correct option is C

radiation

Explanation for incorrect option(s)

1. Option (a):- Conduction is the process in which heat is transferred from one object to another when they are in physical contact with each other.
2. Option (b):- Convection is the process in which heat is transferred from one object to another when they are separated by some distance having an environment in between them.
3. Option (d):- Insulation is a material that is used to stop the transfer of heat from one body to another.

Explanation for correct option(s)

1. Option (c):- Radiation is the mode of heat transfer in which heat is transferred from one object to another, separated by distance but having a vacuum as a medium in between them.