Amazing Discovery made by robotic Camera Inside Pyramid #shorts

Which important discovery was made by Oersted ?

Discovery of complexes was made by

Name the discovery made by the following scientist : Faraday

Discovery of which made genetic engineering possible ?

A ray of light undergoes deviation of 30^(@) when incident on an equilateral prism of refractive index sqrt(2) . The angle made by the ray inside the prism with the base of the prism is