Consider the following statements:1. Compound microscope has an objective lens with a very short focal length.2. Simple microscope consists of a strong converging lens system3. Television camera converts the optical images into electrical video signals4. Hypermetropia is corrected by using a diverging lens. Which of these statement is/are correct? Codes

Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres, corresponding to frequencies of 750–420 terahertz, between the infrared and the ultraviolet.