2. Solar energy is radiant light and heat from
the sun harnessed using a range of ever-evolving technologies
such as solar heating, photovoltaic etc. It comes as
electromagnetic waves.
31. Silicon, which is used for making solar cells, is
abundant in nature but availability of the
special grade silicon for making solar cells is
limited.
32. The entire process of manufacture is
still very expensive, silver used for
interconnection of the cells in the
panel further adds to the cost
40. For related videos (NOTE - it will be there in
Description box :down below also) :
Solar Cooker and how it works
https://youtu.be/vzBQb2W3NyI
DIY: solar cooker or oven from cardboard box
https://youtu.be/kx5mOdkuFC4
working of photovolatic or Solar Energy Panels
https://youtu.be/8esj5nZcWdE
Thankyou