In the figure given below and are two lenses and are kept along the same axis. A parallel beam of light falling on L1 leaves L2 as a parallel beam. L1 L2 Consider the following statements:1. Both L1 and L2 can be convex lenses.2. The distance between the two lenses can be equal to sum of their focal lengths. Which of the statements given above is/are correct?

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.