Practice Reflection of Light MCQ questions with answers to strengthen your understanding of this important Physics topic. This page includes useful practice questions, previous year questions, correct answers, and explanations to help you prepare for Railway Recruitment Board examinations.
Reflection of light occurs when light rays strike a surface and return to the same medium. Important concepts in this chapter include the laws of reflection, reflection from plane mirrors, image formation, and reflection from spherical mirrors. Understanding these concepts will help you solve conceptual and numerical questions in competitive examinations.
Start practicing Reflection of Light MCQs with answers and explanations to improve your Physics knowledge and prepare for Railway exams.
11
What image does a concave mirror form when the object is just beyond the focal point but before the centre of curvature?
RRB Group-D
10/08/2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:DReal, inverted and magnified
For an object between F and C, reflected rays meet beyond C, producing a real, inverted and magnified image.
12
Moving an object from beyond the centre of curvature toward the focus of a concave mirror causes what change in its image?
RRB Group-D
03/08/2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:BThe image becomes larger and moves away from the mirror
As the object approaches the focus from outside the focal length, the real image moves farther away and its magnification increases.
13
A ray parallel to the principal axis strikes a concave mirror. After reflection, through which point does it pass?
RRB Group-D
12/08/2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:AThe focus of the mirror
In the paraxial approximation, rays parallel to the principal axis reflect through the principal focus.
14
A converging mirror has a radius of curvature of 30 cm. An object is placed on the principal axis 60 cm from the pole. What is the nature of the image?
RRB Group-D
25/08/2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:AReal and inverted on the same side as the object
A converging mirror is concave, with f = -15 cm. For u = -60 cm, the mirror equation gives v = -20 cm. The image is real and inverted in front of the mirror.
15
In a concave mirror, an incident ray parallel to the principal axis passes through which point after reflection?
RRB Group-D
21/08/2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:AThe focus
A paraxial ray parallel to the principal axis reflects through the principal focus.
16
Under the New Cartesian Sign Convention for a spherical mirror, what sign is assigned to object distance when the object is in front of the mirror?
RRB Group-D
09/08/2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:DNegative sign
With incident light taken in the positive direction, the object lies opposite that direction from the pole, so its distance is negative.
17
An object is 15 cm from a mirror, and its image forms 30 cm from the mirror on the same side. What is the focal length?
RRB Group-D
13/08/2026 (12:45 PM - 2:15 PM)
2026
✓ Answer:A-10 cm
u = -15 cm and v = -30 cm. Therefore 1/f = -1/15 - 1/30 = -1/10 and f = -10 cm.
18
An object is 90 cm from a concave mirror, and its image is 45 cm in front of the mirror. What is the distance between the pole and principal focus?
RRB Group-D
13/08/2026 (12:45 PM - 2:15 PM)
2026
✓ Answer:A30 cm
1/f = 1/(-90) + 1/(-45) = -1/30. Thus f = -30 cm and the pole-to-focus distance is 30 cm.
19
A ray passing through the centre of curvature of a concave mirror strikes the mirror. What is the path of the reflected ray?
RRB Group-D
11/08/2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:CIt retraces its original path
The ray strikes along the radius, normal to the mirror surface. Its angle of incidence is zero, so it retraces its path.
20
A car's rear-view mirror is replaced with a concave mirror of the same size. What is the most likely consequence for the image of a car far behind?
RRB Group-D
18/08/2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:DInverted, and potentially larger or smaller depending on position
For an object beyond the focus, a concave mirror forms a real, inverted image. It is diminished beyond the centre of curvature and enlarged between the centre and focus; a very distant car gives a diminished image.
Our collection of Reflection of Light questions and answers is designed to help you revise key concepts, test your knowledge, and improve your accuracy. Practicing MCQs regularly can also help you identify important formulas and understand the types of questions asked in previous Railway exams.
Whether you are preparing for RRB NTPC Reflection of Light PYQ, RRB Group D Reflection of Light PYQ, RRB JE Reflection of Light PYQ, RRB ALP Reflection of Light PYQ, or RRB Technician Reflection of Light PYQ, these questions can support your Physics preparation. The practice material is also useful for students looking for general Physics MCQs and Railway exam questions.
Topics Covered
Nature of Light
Laws of Reflection
Reflection from Plane Mirrors
Image Formation by Plane Mirrors
Reflection from Spherical Mirrors
Concave and Convex Mirrors
Mirror Formula and Magnification
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