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Reflection by Plane and Spherical Mirrors for GSEB: 9 solved questions

Real GSEB paper questions on reflection by plane and spherical mirrors, part of ray optics and optical instruments. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2015 to 2023. No sign-in needed to read them.

What this topic asks

• Mirror formula and magnification — 6 questions
• Plane mirrors — 3 questions

All 9 questions with solutions

• An object is placed at a distance of 25 cm on the axis of a concave mirror having focal length 20 cm. Find th… GSEB Board July 2015
• For a plane mirror, the value of magnification is m=1. Then its focal length f= . GSEB Board March 2019
• An image of an object obtained by a convex mirror is 4 times smaller than the object. If the focal length of… GSEB Board March 2020 (old course)
• An object is placed at 10 cm in front of a concave mirror of radius of curvature 15 cm. Then the magnificatio… GSEB Board August 2020
• The lower half of a concave mirror's reflecting surface is covered with an opaque (non-reflective) material.… GSEB Board July 2021
• An object is placed at 15 cm in front of a concave mirror of radius of curvature 20 cm. The image distance wo… GSEB Board March 2022
• An object pin is kept on the axis of a concave mirror, between the pole (P) and the focal point (F). Its imag… GSEB Board July 2022
• The optical phenomena taking place for a mirror and for a lens respectively are and . GSEB Board March 2023
• The power of a plane mirror is . GSEB Board March 2023