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.What does the statement 'the refractive index of glass is 1·5 for white light' mean?
- A.The speed of white light in glass is 1.5 times its speed in vacuum.
- B.The speed of white light in glass is 1/1.5 times its speed in vacuum.
- C.White light bends at an angle of 1.5 degrees when entering glass.
- D.The frequency of white light in glass is 1.5 times its frequency in vacuum.
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2.Which subjective property of light is related to its wavelength?
- A.Brightness
- B.Colour
- C.Intensity
- D.Speed
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3.A lens forms an inverted image of an object what kind of lens is this?
- A.concavo-convex
- B.convexo-concave
- C.concave
- D.convex
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4.Why does the sun appear reddish early in the morning?
- A.The sun emits more red light in the morning due to its temperature.
- B.Shorter wavelengths (blue) scatter away, leaving longer wavelengths (red).
- C.The atmosphere absorbs red light, making the sun appear less bright.
- D.The sun is closer to the Earth in the morning, changing its color.
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5.Why are dark rooms used in photography equipped with infrared lamps instead of regular light sources?
- A.Infrared lamps expose ordinary photographic film instantly.
- B.Infrared lamps emit visible light that does not affect photographic film.
- C.Infrared lamps do not affect ordinary photographic film but work with specially treated film.
- D.Infrared lamps prevent all types of photographic film from being exposed.
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