ICSE Class 10 Light — Mock Test (2027)
Free online mock test for Light (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Light chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.A spectrum in which various bands of colour have no sharp, well defined boundaries, but merge in each other is called
- A.Infrared spectrum
- B.Impure spectrum
- C.Red spectrum
- D.Pure spectrum
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2.Given that OC is equal to the focal length of the lens, copy the diagram and draw two rays from the linear object OO' to determine the nature of the image formed by the lens.
- A.Image is real, inverted, and formed at infinity
- B.Image is virtual, erect, and formed at infinity
- C.Image is real, inverted, and formed at 2F
- D.Image is virtual, erect, and formed between F and the lens
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3.A convex lens of focal length 8 cm forms an image of an object placed 24 cm in front of it. Calculate: (i) the position of the image, (ii) the magnification of the image, and state (iii) the characteristics of the image.
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4.The angle through which a light of a particular wavelength can deviate, while passing through prism is called
- a.Refrangibility
- b.Angle of emergence
- c.Angle of refraction
- d.Angle of reflection
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5.On reducing the focal length of a lens, its power
- A.decreases
- B.increases
- C.does not change
- D.first increases then decreases
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