Light – Reflection and Refraction

Bihar Board Class 10 · Science · 52 past questions

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1. Q17 2024

   The absolute refractive index of air is actually

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2. Q18 2024

   Mirror used by ENT ( Ear-Nose-throat ) doctor is

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3. Q19 2024

   Which of the following is the unit of power of lens?

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4. Q20 2024

   Which mirror is used as shaving mirror?

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5. Q21 2024

   If the image of an object formed by a concave mirror is virtual, erect and larger than the object then where…

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6. Q22 2024

   The capacity to bend rays of light is called

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7. Q23 2024

   The image obtained by a concave lens is

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8. Q24 2024

   The maximum value of magnification in a convex mirror is

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9. Q25 2024

   The radius of curvature of a concave mirror of focal length 20 cm is

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