General Studies & Exam Prep•Updated for 2026 Competitive Exams
MCQS on Light Class 10th
Practice top multiple choice questions (MCQs), topic summary, and verified answers for MCQS on Light Class 10th. Essential for Central & State competitive examinations. Solve these high-frequency practice questions with step-by-step solutions to evaluate your preparation level.
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Practice Questions & Explanations (10 Questions)
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Q1SSC / NDAMedium
The phenomenon of bouncing back of light in the same medium after striking a surface is called:
Q2SSC / NDAMedium
Which type of mirror is used by dentists to see enlarged images of teeth?
Q3SSC / NDAMedium
The radius of curvature of a spherical mirror is 20 cm. Its focal length is:
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Q4SSC / NDAMedium
When a ray of light passes from air into glass, it bends:
Q5SSC / NDAMedium
The refractive index of water is approximately:
Q6SSC / NDAMedium
A convex lens acts as a magnifying glass when the object is placed:
Q7SSC / NDAMedium
The SI unit of power of a lens is:
Q8SSC / NDAMedium
If the power of a lens is -2.0 D, what type of lens is it and what is its focal length?
Q9SSC / NDAMedium
Which phenomenon is responsible for the twinkling of stars?
Q10SSC / NDAMedium
The splitting of white light into its seven constituent colors when passing through a prism is called:
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