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Class 12 Physics Practice Test: Wave Optics
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Avg score: 79% • Most missed: “If a wave undergoes refraction, what will be the phase change?”

In physics, physical optics, or wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.

Class 12 Physics Practice Test: Wave Optics
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7 Questions

1. When a wave undergoes reflection at a denser medium, what will be the phase change?
2. If a wave undergoes refraction, what will be the phase change?
3. A light wave enters from air into glass. How will the energy of the wave be affected?
4. The wavelength of light coming from a sodium source is 589 nm. What will be its wavelength in the water?
5. A light wave enters from air into glass. How will the frequency of the wave be affected?
6. The speed of the yellow light in a certain liquid is 2.4 × 108 m/s. Find the refractive index of the liquid.
7. Two wave-fronts intersect each other.

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