Wave Optics

Bihar Board Class 12 · Physics · 28 past questions

26 of 28 · show all

1. Q1 2026 Set A2018

   The phase difference $\phi$ is related to Path difference $\Delta x$ by…

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2. Q2 2026 Set A2019

   The wave front due to a point source at a finite distance from the source is

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3. Q3 2026 Set A

   The ratio of the refractive index of red light to blue light in air is

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4. Q4 2026 Set A

   For destructive interference, the path difference should be equal to

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5. Q5 2026 Set A

   Coherent sources are those sources for which

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6. Q6 2026 Set A

   Natural light from the sun is

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7. Q7 2025 Set D

   Two light waves of equal amplitude and equal wavelengths are superimposed. The amplitude of the resultant…

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8. Q8 2025 Set D

   In polarised light, the angle between plane of vibration and plane of polarization is

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9. Q9 2025 Set D

   The bubble of soap appears coloured due to

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10. Q10 2025 Set D

    Which of the following cannot be polarized?

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11. Q11 2024 Set A

    The fringe width in interference of light due to two coherent sources is

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12. Q12 2024 Set A

    Two sources of monochromatic light is coherent, when their

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13. Q13 2023 Set F

    The concept of secondary wavelets was given by

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14. Q14 2023 Set F

    The width of diffraction fringes is .......... to the width of interference fringes.

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15. Q15 2023 Set F

    When the distance between source of light and screen is increased, then fringe width

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16. Q16 2023 Set F

    Light is a transverse wave because it shows

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17. Q18 2023 Set F

    The reason for the phenomenon of interference is

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18. Q19 2023 Set F

    Which is used to produce polarised light?

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19. Q20 2022 Set I

    Which of the following relations is correct for intensity of scattered light ($I$) and wavelength of light…

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20. Q21 2022 Set I

    Optical path is equal to

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21. Q22 2021 Set A

    Interference of light is the redistribution of which of the following physical quantities ?

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22. Q23 2019

    The solar spectrum is

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23. Q24 2019

    Light owes its colour to its

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24. Q25 2018

    Optical fiber communication is based on which of the following phenomenon…

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25. Q27 2017

    Transverse nature of light is shown by-

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26. Q28 2017

    Write Brewster law of polarization of light.

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