Light – Reflection and Refraction

CBSE Class 10 · Science · 17 past questions

1. Q1 2026

   A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of…

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2. Q2 2026

   Observe the given ray diagram showing refraction through a prism and choose the correct option for colour of… (with a figure)

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3. Q3 2026

   A ray of light enters into medium B from medium A as shown in the given figure… (with a figure)

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4. Q4 2026

   From the following options choose the one which gives negative magnification greater than one…

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5. Q5 2026

   With the help of the given ray diagram, calculate the refractive index of Medium 2 with respect to Medium 1.… (with a figure)

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6. Q6 Sample paper 2026-27

   A student wants to determine the focal length of a convex lens using sunlight. Which of the following…

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7. Q7 Sample paper 2026-27

   Assertion (A): The apparent depth of a coin in water is less than its real depth.…

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8. Q8 Sample paper 2026-27

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9. Q9 Sample paper 2026-27

   A concave lens forms an image that is 1/3rd the size of the object, as shown in the diagram. If the object is… (with a figure)

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10. Q10 2025

    If the absolute refractive indices of two media X and Y are $\frac{6}{5}$ and $\frac{4}{3}$ respectively…

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11. Q11 2025

    An object is placed at a distance of 60 cm from a concave lens of focal length 30 cm. Use lens formula to…

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12. Q12 2024

    At what distance from a convex lens should an object be placed to get an image of the same size as that of…

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13. Q13 2024

    An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position of…

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14. Q14 2024

    Study the data given below showing the focal length of three concave mirrors A, B and C and the respective…

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15. Q15 2023

    The power of a lens is +4D. Find the focal length of this lens. An object is placed at a distance of 50 cm…

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16. Q16 2023

    An object is placed in front of a convex mirror at infinity. According to the New Cartesian Sign Convention…

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17. Q17 2023

    (a) A student has focussed the image of an object of height 3 cm on a white screen using a concave mirror of…

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