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PhysicsTopic Question Bank50+ Solved MCQsUpdated October 2026👁️ 3.8k Topic Views

Ray Optics Questions & Answers

Understand fundamental scientific laws, diagrams, and applied concepts in Ray Optics. Practice solved questions with clear scientific rationale and key definitions.

Relevant Exams:SSC CGLRRB Group D & NTPCNDA / CDSState PSCNEET

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Ray Optics — Key Concepts & Shortcuts

•Review basic scientific laws, standard SI units, and chemical/biological nomenclature.
•Understand everyday real-life applications and experimental setups related to Ray Optics.
•Practice high-yield questions from previous railway and staff selection exams.

Practice Questions for Ray Optics

18+ Solved MCQs

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An object is placed at a distance of 30 cm in front of a concave mirror of focal length 15 cm, on its principal axis. Its image is formed at:

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Ray Optics Questions & Answers

Ray Optics — Key Concepts & Shortcuts

Practice Questions for Ray Optics

An object is placed at a distance of 30 cm in front of a concave mirror of focal length 15 cm, on its principal axis. Its image is formed at:

The focal length of a spherical mirror is the distance between:

The nature of the image produced by the side rearview mirror of an automobile is:

If the magnification of an image from a spherical mirror is -1.38, then the nature of the image will be:

An object of diameter 6 cm is placed at a distance of 10 cm in front of a lens with a power of +5.0 D. The diameter of the image of the object will be:

A 5 cm long pin is placed 50 cm away from a concave mirror of focal length 40 cm. Where will its image be formed?

The splitting up of white light into its seven constituent colors as it enters a glass prism is called:

Consider that a mature blue whale is 30.0 m long. On the other hand, a baby whale is 10.0 m long. Where should the baby whale be placed in front of a concave mirror of focal length 15.0 m so that one can observe a real image of the baby whale that is equal to the size of a mature whale?

The position of the image produced by a concave mirror when an object is placed at a distance such that light rays from the object are parallel to the principal axis is:

Consider an equilateral glass prism on which a ray of light is incident at an angle θ and passes through the prism in such a way that the refracted ray inside the prism is parallel to its base. If it emerges at an angle of emergence β, which of the following is true?

An object is placed at the principal focus of a concave lens. Which of the following options represents the characteristics of the image formed?

A needle of height 6 cm is placed at a distance of 20 cm in front of a lens with a power of -2.5 D. The height of the image of the needle will be:

When a parallel beam of light rays is incident on a convex mirror of focal length 1 m, the reflected rays:

A beam of white light passes through a glass prism and a spectrum is obtained. Which of the following color components bends the least?

The propagation of light waves through an optical fiber cable is based on which of the following optical phenomena?

An air bubble trapped inside water shines brilliantly due to which of the following optical phenomena?

The far point for a myopic eye is 50 cm. The nature and power of the corrective lens required to view distant objects clearly are:

An object 3.0 cm in height is placed at a distance of 9.0 cm in front of a convex mirror of focal length 18.0 cm. Following the New Cartesian Sign Convention, the image distance v and its height hi are given by:

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