Light is a form of _________ .
Thus, light is a form of energy.
Fill in the following blanks with suitable words : (a) A convex lens ___ rays of light, whereas a concave lens___ rays of light. (b) Lenses refract light to form images : a ___lens can form both real and virtual images, but a diverging lens forms only___ images.
Sound Is A Form Of Energy,Heat Is A Form Of Energy And Light Is A Form Of Energy Then Why Light Can Travel Through Vaccum Sound Cannot