Concert 2.56×107mm2 INTO cm3.Prove that unit of work is derived.​

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

Properties seen when one one substance changes to another are known as properties