Optics — Previous-Year Questions
5 curated PYQs across 1 topics, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question has a worked-out explanation.
Ray Optics & Lenses
Trace light rays through lenses and mirrors. Adjust focal lengths, object distances, and see image formation live.
Q1. An object at 30 cm from a concave mirror of focal length 15 cm. Image is at:
JEE 2020Q2. Critical angle for glass (n=1.5) to air is:
JEE 2019Q3. A convex lens of focal length 20 cm forms real image of an object at 60 cm. Image distance:
JEE 2021Q4. Two thin lenses of focal length +10 cm and −20 cm in contact. Combined focal length:
JEE 2018Q5. An object is placed at 2f of a convex lens. The magnification is:
JEE 2017Optics previous-year questions on sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs). Free physics practice for Class 12, JEE Mains, JEE Advanced, NEET UG, AP Physics, SAT, and CUET-UG candidates.