Question

Take two equal boxes paint one of the other surface black and the other White fill two boxes with equal amount of water and keep them in the sun for one hour write the changes in them

Answer 1

Answer:

A pascal is a pressure of one newton per square metre, or, in SI base units, one kilogram per metre per second squared. ... For example, standard atmospheric pressure (or 1 atm) is defined as 101.325 kPa. The millibar, a unit of air pressure often used in meteorology, is equal to 100 Pa.