Light from the sun reaches the earth approximately in

Light from the Sun reaches us in nearly

Statement-1 : Heat from the sun reaches the earth by convection. Statement-2 : Air can be heated only by convection

The heat from the sun reaches us on the earth by the process of :

Calculate the time taken by a ray of light from the sun to reach the earth. (use standard data ).

The time taken by light to travel from sun to earth is approximately

Assertion (A) : Maximum sunlight reaches earth's surface during the afternoon time. Reason (R) : Heat from the sun reaches earth's surface by radiation.

"Ozone layer does not permit infrared radiation from the sun to reach the earth". State whether this statement is true or false.