The wavefront of a distant source of unknown shape is approximately
The wavefront of a distant source of unknown shape is approximately
- A
Spherical
- B
Cylindrical
- C
Elliptical
- D
Plane
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Explain the wavefront and its types.
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When a plane wave front incident on a concave mirror as shown in figure then shape of reflected wave front
When a plane wave front incident on a concave mirror as shown in figure then shape of reflected wave front
Huygens' concepts of secondary wavelets
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In the adjoining diagram, a wavefront $AB$, moving in air is incident on a plane glass surface $XY$. Its position $CD$ after refraction through a glass slab is shown also along with the normals drawn at $A$ and $D$. The refractive index of glass with respect to air ($\mu = 1$) will be equal to
In the adjoining diagram, a wavefront $AB$, moving in air is incident on a plane glass surface $XY$. Its position $CD$ after refraction through a glass slab is shown also along with the normals drawn at $A$ and $D$. The refractive index of glass with respect to air ($\mu = 1$) will be equal to
Carefully analyses the diagram and choose the correct option :
Carefully analyses the diagram and choose the correct option :