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प्रश्न
How is a wavefront different from a ray?
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उत्तर
- The ray indicates the direction of propagation of the wave while the wavefront is the surface of the constant phase.
- The ray at each point of a wavefront is normal to the wavefront at that point.
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संबंधित प्रश्न
Explain the construction of plane wavefront using Huygens’ principle.
What is the shape of the wavefront in the following case?
Light emerging out of a convex lens when a point source is placed at its focus.
State Huygen’s principle.
Use Huygens' principle to verify the laws of refraction.
Huygens' principle of secondary wavelets may be used to
(a) find the velocity of light in vacuum
(b) explain the particle behaviour of light
(c) find the new position of a wavefront
(d) explain Snell's Law
Define a wavefront. Using 'Huygens' principle, draw the shape of a refracted wavefront, when a plane wave is incident on a convex lens.
Answer the following question briefly and to the point:
What is the phase difference between any two points lying on the same wavefront?
The inverse square law of intensity is valid for a
What is the shape of the wavefront on earth for sunlight?
According to Huygens’s principle, the amplitude of secondary wavelets is ______.
