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.Which of the following sets of conditions correctly describes the two essential requirements for total internal reflection to occur?
- A.Light must travel from a rarer to a denser medium, and the angle of incidence must be less than the critical angle.
- B.Light must travel from a denser to a rarer medium, and the angle of incidence must be greater than the critical angle.
- C.Light must travel from a denser to a rarer medium, and the angle of refraction must be 90 degrees.
- D.Light must travel from a rarer to a denser medium, and the angle of incidence must equal the critical angle.
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2.What is the value of the refractive index of air with respect to glass if the refractive index of glass with respect to air is 1.5?
- A.1.0
- B.1.5
- C.0.67
- D.0.5
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3.Complete the following table for the nature and size of the image formed by the given lenses:
Types of lens Position of object Nature of image Size of image Convex At F ? ? Concave At infinity ? ? - A.Real, inverted, highly enlarged; Virtual, erect, highly diminished
- B.Virtual, erect, diminished; Real, inverted, enlarged
- C.Real, inverted, same size; Virtual, erect, same size
- D.Virtual, erect, enlarged; Real, inverted, diminished
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4.(ii) Select a correct statement from the following:
- A.The speed of light at the curved surface AD does not change while entering the block.
- B.The ray at the surface AD is not traveling along the radius of the curved part.
- C.The ray at the surface AD is traveling along the radius of the curved part.
- D.Light never refracts when it enters a curved surface.
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5.Which of the following is a property and a use of X-rays?
- A.Property: Visible to the naked eye. Use: Detecting metal flaws in aircraft.
- B.Property: Electromagnetic rays traveling at light speed. Use: Medical imaging for fractures.
- C.Property: Travel slower than light. Use: Heating food in microwaves.
- D.Property: Can be seen in darkness. Use: Night vision goggles.
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