List of top Physics Questions on Spherical Mirrors asked in NEET (UG)

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:

A spherical surface of radius of curvature R, separates air (refractive index 1.0) from glass (refractive index 1.5). The centre of curvature is in the glass. A point object P placed in air is found to have a real image Q in the glass. The line PQ cuts the surface at a point O and PO = O The distance PO is equal to