According to Global energy review 2021, IE, Paris, global energy consumption of wind energy sources is………
a) 22%
b) 11%
c) 44%
d) 23%
According to Global energy review 2021, IE, Paris, global energy consumption of solar energy sources is………
a) 22%
b) 11%
c) 44%
d) 23%
Sunlight brings…….to earth.
a) heat
b) light
c) fuel
d) both a and b
Which color absorbs more heat?
a) white
b) black
c) yellow
d) blue
Which color reflects more heat?
a) white
b) black
c) yellow
d) blue
Why black color pipe is used in solar water heater?
a) it reflects more heat
b) it absorbs less heat
c) it absorbs more heat
d) it is cheap
