Question

Gather information about solar light solar water heating system and solar cooker

Answer 1

Solar lamp
the device which uses solar photovoltaic panels to capture sunlight and then store it into a battery attached to the solar lamp for the purpose of light.
Solar water heaters use solarphotovoltaic panels to capture sunlight and to heat water. It normally has a thermal panel, a hot water tank, a circulating pump for water distribution and a thermal regulator. Solar cookersalso convert sunlight into heatenergy which is used for cooking.

Answer 2

Answer:

The common principle that works behind all these three different machines is that they all use solar light or sun rays to get charged and this acts as the main mode of a resource.

Hope it will be helpful :)