Question

02. Give reasons-

a.Nuclear power plant cannot be constructed in densely populated areas.
b.It is impossible to prevent heat loss by radiation,
c.In hot places, outer walls of houses are painted white.
d.An ice cube will float in water but sink in Kerosene
e.Air conditioner should be placed at a height.
​

Answer 1

Answer:

a. because the radiation leaking from the plant would harm he people.

b. by radiation, only the heat would spread.

c.because white colour reflects the heat.

d. because water has high density. and kerosene has lower density than ice.

e. because the air conditioner takes heat and converts it to cold air.

hot air tends to rise up. so AC should be placed high.