Write true or false for the following statements:
Glass cover in a solar heating device allows the short wavelength of ultraviolet radiations to enter the solar cooker.
True
The glass plate in a solar heating device does not allow the heat to escape. This phenomenon is used in solar cookers as the solar cooker box is covered with a plane glass plate so as to capture more and more ultraviolet rays of the sun and allow maximum heating of the food placed in the box.
4