Wave Optics

CBSE Class 12 · Physics · 18 past questions

10 of 18 · show all

1. Q1 2026

   The phase difference between the two superimposing waves that give rise to a bright spot in a Young's…

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2. Q2 2026

   The shape of the interference fringes in Young's double-slit experiment, when the distance between the slit…

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3. Q4 2026

   Assertion (A) : Light added to light can produce darkness.…

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4. Q8 2025

   For Questions 13 to 16, two statements are given – one labelled Assertion (A) and other labelled Reason (R).…

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5. Q11 2025

   In a diffraction experiment, the slit is illuminated by light of wavelength 600 nm. The first minimum of the…

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6. Q14 2023

   Assertion (A) : In Young's double slit experiment all fringes are of equal width.…

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7. Q15 2023

   In the wave picture of light, the intensity I of light is related to the amplitude A of the wave as…

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8. Q16 2023

   In a single-slit diffraction experiment, the width of the slit is halved. The width of the central maximum…

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9. Q17 2023

   Questions number 16 to 18 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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10. Q18 2023

    Two coherent monochromatic light beams of intensities I and 4I superpose each other. Find the ratio of…

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