Advertisements
Advertisements
प्रश्न
Define the principal focus of a concave lens.
Advertisements
उत्तर
The principle focus of a concave lens is a point on the principle axis where all the reflected rays parallel to the principle axis appear to diverge.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
