Light – Reflection and Refraction

Bihar Board Class 10 · Science · 52 past questions

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1. Q9 2025

   If the focal length of the lens is $f$ and power is $P$ then

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2. Q10 2025

   The light rays travel in

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3. Q11 2025

   Which type of mirror is a concave mirror ?

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4. Q12 2025

   Which of the following types of mirror is used in the headlight of a car ?

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5. Q13 2025

   The focal length of a concave mirror is

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6. Q14 2025

   Which mirror always forms an image smaller than the object ?

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7. Q15 2025

   The speed of light in air as compared to vacuum is

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8. Q16 2025

   Which phenomenon exhibited by light is demonstrated in the twinkling of stars ?

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