Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

14 of 73 · show all

1. Q30 2022 Set I

   $_1\mu_2$ is equal to

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2. Q31 2022 Set I

   Image formed on retina is

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3. Q32 2022 Set I

   The magnification power of Astronomical Telescope is

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4. Q33 2022 Set I

   Which of the following is the cause of formation of rainbow ?

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5. Q34 2022 Set I

   Which of the following is not electromagnetic wave ?

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6. Q35 2022 Set I

   Critical angle for transparent medium diamond is

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7. Q36 2022 Set I

   The focal length of a lens of capacity 4 dioptre is

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8. Q37 2022 Set I

   Which of the following is correct for dispersive power ?

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9. Q38 2022 Set I

   If the focal length of a glass lens $\left(\mu=\frac{3}{2}\right)$ in air is $f_a$ and in water…

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10. Q39 2022 Set I

    Magnifying power of simple microscope is

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11. Q40 2022 Set I

    Power of two lenses in contact is

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12. Q41 2022 Set I

    If $\mu_g = 3/2$ and $\mu_w = 4/3$ then ${}^w\mu_g$ is

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13. Q42 2022 Set I

    Critical angle for glass is

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14. Q43 2022 Set I

    The refractive index of material of the Prism is

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