Important Questions for CBSE Class 12 Physics Chapter 9 – Ray Optics and Optical Instruments
CBSE Class 12 Physics Chapter 9 – Ray Optics and Optical Instruments Important Question Answer Very Short Type Question – 1 Mark 1. A person is standing before a concave mirror cannot see his image, unless he is beyond the centre of curvature? Why? Ans. When man stands beyond focus is i.e. between focus and centre […]