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. Q2 2026 Set A2023 Set F2019

   Differentiate between primary and secondary rainbow.

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3. Q3 2026 Set A

   A ray of light is incident normally on a plane mirror. The angle of reflection will be

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4. Q4 2026 Set A

   The refractive index of water is 1.33. What will be the speed of light in water ?

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5. Q5 2026 Set A

   The field of view is maximum for

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6. Q6 2026 Set A

   When the tube length of microscope is increased, its magnifying power

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7. Q7 2026 Set A

   Inverse square law of intensity of light, i.e., intensity $\propto \frac{1}{r^2}$ is applicable for

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