Category:Competitive Examinations Light (Part-1) – MCQ Light is a form of energy which produces the sensation of sight. it is a type of energy that can be converted into other types of energy. Light travels at a speed of 3 x 108 m/sec. Speed of Light are maximum in gas then in liquid and then in solid. Properties of light are refraction, reflection etc. mirror and its types. https://isdtp.selvamtech.edu.in/?p=233