Choose the correct option for the mirrors used in solar cookers.
mirrors are used to reflect sunlight on the the cooker thus more heat.
mirrors absorb more sunlight falling on the cooker thus more heat.
mirrors diffuse light in all direction.
none of these.
Solar cookers achieve higher temperature by using mirrors to focus the sunlight.
Which radiations of sunlight are used in heating a solar cooker?
Match the following:
I.Coating solar cooker with black painta. Causes greenhouse effect inside the cookerII.Concave mirrorb. Absorbs more heatIII.Glass sheet covering c.Converge heat at one point