Blog categorized as Ray Optics

An object is midway between a biconcave lens (with focal length 15 cm) and a concave mirror (with radius of curvature 20 cm). The mirror-lens distance is 25 cm. Considering only the light that leaves the object and travels first toward the mirror, locate the final image formed by this system. Is thi...

August 06,2026 05:36 PM - Comment(s)

Q- A compound microscope is used to enlarge an object kept at a distance 0.03m from it’s objective which consists of four thin convex lenses in contact and has focal length 0.02m. If a lens of focal length 0.1m is removed from the objective, then by what distance the eye-piece of the microscope must...

May 15,2026 08:55 AM - Comment(s)
The virtual depth of the fish in water.
November 23,2025 07:29 AM - Comment(s)