Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q44 2021 Set A

   The image formed by simple microscope is

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2. Q45 2021 Set A

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

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3. Q46 2021 Set A

   Which of the following relations is correct for dispersive power ?

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4. Q47 2021 Set A

   Velocity of light in vacuum is $c$. Its value in glass ($\mu = 3/2$) will be

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5. Q48 2021 Set A

   The length of an astronomical telescope for normal adjustment is

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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. Q50 2021 Set A

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

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8. Q51 2021 Set A

   Power of parallel sided glass-slab is

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9. Q52 2021 Set A

   Angular dispersion is equal to

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10. Q53 2021 Set A

    Which of the following is correct for Astronomical telescope ?

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