A wavefront is defined as a surface of constant phase. Consider a plane surface XY separating a denser medium of refractive index n₁ from a rarer medium of refractive index n₂. Let c₁ and c₂ be the values of speed ...
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The conservation law of energy holds good for the phenomenon of interference as well as diffraction. Due to interference or diffraction we obtain maxima and minima intensities at different points. From points of minima intensity the energy has been shifted ...
When white light replaces monochromatic light, interference patterns of different colors overlap. The central fringe is white, as all colors align there. Closest fringes to the center are red, and farthest are blue-violet, as violet fringes are narrower and red ...
On reducing the size of slit to one-half, the size of central maximum will be doubled and the intensity will become 1/4 th of its previous value. Class 12 Physics Chapter 10 Wave Optics Session 2024-2025.
For blue light the angular width of central diffraction maximum is more than that for red light. Class 12 Physics Chapter 10 Wave Optics Session 2024-2025.