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. Q13 2025 Set D2018

   A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the material…

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3. Q62 2018

   The image formed by objective lens of a Compound Microscope is…

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4. Q63 2018

   Critical angle for light moving from medium I to medium II is $\theta$. The speed of light in medium I is v.…

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5. Q64 2018

   A magnifying glass is to be used at the fixed object distance of 1 inch. If it is to produce an erect image 5…

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6. Q65 2018

   Which of the following phenomenon takes place when a monochromatic light is incident on a prism ?

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7. Q66 2018

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

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8. Q67 2018

   A fish is at a depth of $\sqrt{7}$ cm and it can see only through a circular section of water surface. What… (with a figure)

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9. Q68 2018

   A small pin is fixed on a table and it is viewed from a distance of 50 cm from above. A glass slab of…

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