Why heat from heaters cannot reach us by conduction?
a) air is bad conductor of heat
b) air particles cannot move
c) we cannot sit on the heater
d) the distance between heater and us is greater
Why heat from heaters cannot reach us by convection?
a) air is bad conductor of heat
b) hot air rises up
c) hot air is denser
d) the distance between heater and us is greater
The heat from the sun reaches us from millions of kilometers in the empty space by……
a) conduction
b) convection
c) radiation
d) all of these
Why heat from the sun cannot reach us by conduction?
a) no matter is present in space
b) no air is present in space
c) no water is present in space
d) both b and c
Why heat from the sun cannot reach us by convection?
a) no matter is present in space
b) no air is present in space
c) no water is present in space
d) both b and c
Which of the following waves carry energy from the sun to the earth?
a) longitudinal
b) mechanical
c) electromagnetic
d) all of these
Explanation:Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun.
