Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q12 2025 Set D

   Which of the following is used to reduce chromatic aberration in lenses?

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2. Q24 2023 Set F

   The dispersive power of a prism depends on

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3. Q37 2022 Set I

   Which of the following is correct for dispersive power ?

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4. Q43 2022 Set I

   The refractive index of material of the Prism is

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5. Q46 2021 Set A

   Which of the following relations is correct for dispersive power ?

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6. Q50 2021 Set A

   Which of the following is correct for refractive index of mean colour ( yellow colour ) ?

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7. Q52 2021 Set A

   Angular dispersion is equal to

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8. Q54 2019

   Deviation of a thin prism of refractive index n and angle of prism A is

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9. Q65 2018

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

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10. Q71 2017

    The angle of minimum deviation for thin prism of refractive index $\mu$ is

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