JEE Main Physics · Ray Optics and Optical Instruments

Spherical Mirrors in JEE Main

Name: Spherical Mirrors: JEE Main previous year questions
Creator: Lumi

Spherical Mirrors (Physics, Ray Optics and Optical Instruments) came 7 times in 7 of the 42 JEE Main shifts Lumi analysed, across 5 distinct ideas. 6 of them came in 2024–26; it was last asked in 2026.

Questions: 7; in 7 shifts
Ideas asked: 5; 2 asked more than once
Numerical answer: 1; 14% of its questions
Pattern: Frequent; last asked 2026

Questions each year

In the shifts Lumi analysed for each year.

Difficulty and format

Easy 1Medium 6Hard 0

Format

Single correct4 Q
Diagram based2 Q
Numerical value1 Q

Ideas inside the topic

5 ideas

Mirror Formula Application2 Q
Linear Magnification2 Q
Autocollimation with Plane Mirror Combination1 Q
Concave Mirror: Real Image Cases1 Q
Longitudinal Magnification1 Q

Where it sits

Part of Ray Optics and Optical Instruments, which had 66 questions in all. Spherical Mirrors accounts for 11% of them. In Lumi's JEE taxonomy it belongs to Optics.

Every question

All 7 Spherical Mirrors questions

Newest first, each with its options and official answer.

4 Apr 2026, Shift 1 · Q39A rod of length $10$ cm lies along the principle axis of a concave mirror of focal length $10$ cm as shown in figure. The length of the…MediumDiagram basedHas a figure
6 Apr 2026, Shift 2 · Q50A concave mirror of focal length 10 cm forms an image which is double the size of object when the object is placed at two different…MediumNumerical value
2 Apr 2025, Shift 2 · Q36Two identical objects are placed in front of convex mirror and concave mirror having same radii of curvature of 12 cm, at same distance of…MediumSingle correct
4 Apr 2025, Shift 2 · Q39A finite size object is placed normal to the principal axis at a distance of 30 cm from a convex mirror of focal length 30 cm. A plane…MediumSingle correct
7 Apr 2025, Shift 2 · Q40A mirror is used to produce an image with magnification of $\frac{1}{4}$ . If the distance between object and its image is 40 cm, then the…MediumSingle correct
29 Jan 2024, Shift 1 · Q49A convex mirror of radius of curvature 30 cm forms an image that is half the size of the object. The object distance is :EasySingle correct
2 Sep 2020, Shift 1 · Q16A spherical mirror is obtained as shown in the figure from a hollow glass sphere. If an object is positioned in front of the mirror, what…MediumDiagram basedHas a figure