Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q1 2026 Set A2018

   To remove hyper metropia lens used is…

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2. Q14 2025 Set D

   A person uses spectacles (lens) of +2D power. His defect of vision is

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3. Q20 2024 Set A

   Image of any object formed at the retina of human eye is

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4. Q31 2022 Set I

   Image formed on retina is

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5. Q45 2021 Set A

   Which of the following eye defects is removed by convex lens ?

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6. Q49 2021 Set A

   Focal length of eye-lens of a healthy man is about

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7. Q57 2019

   Cylindrical lenses are used to correct the eye defect called

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8. Q66 2018

   The resolving power of human eye (in minute) is…

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9. Q69 2017

   A short sighted person uses for clear vision-

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