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The refracted wavefront of the plane wavefront from prism will be wavefront which is inclined to the incident plane.

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Important Questions on Wave Optics

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Physics>Optics>Wave Optics>Huygen's Principle
Light follows wave nature because
HARD
Physics>Optics>Wave Optics>Huygen's Principle
Define the term wavefront. Using Huygen's wave theory, verify the law of reflection.
MEDIUM
Physics>Optics>Wave Optics>Huygen's Principle
What is wave front? Explain laws of refraction of light on the basis of Huygens wave theory. Draw necessary ray diagram.
HARD
Physics>Optics>Wave Optics>Huygen's Principle
Define the term "refractive index" of a medium. Verify Snell's law of refraction when a plane wavefront is propagating from a denser to a rarer medium.
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Physics>Optics>Wave Optics>Huygen's Principle
Define wavefront of a travelling wave. Using Huygens principle, obtain the law of refraction at a plane interface when light passes from a denser to rarer medium.
MEDIUM
Physics>Optics>Wave Optics>Huygen's Principle
A beam of light with a plane wavefront needs to be transformed into one with a convergent spherical wavefront. For this purpose, which of the following may be suitable?
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Physics>Optics>Wave Optics>Huygen's Principle
When plane wavefronts incident on the convex lens then emerging wavefront is
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Physics>Optics>Wave Optics>Huygen's Principle
A plane wavefront incident on a plane mirror is reflected as a:
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Physics>Optics>Wave Optics>Huygen's Principle
In Huygen's principle, secondary wavefront at any later time is given by______envelope of secondary wavelets at that time.
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Physics>Optics>Wave Optics>Huygen's Principle
Assertion: When a plane wave passes through a thin prism, the emerging wavefront gets titled.
Reason: Speed of light is less in glass than in air.
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Physics>Optics>Wave Optics>Huygen's Principle

A monochromatic plane wave of speed c and wavelength λ  is diffracted at a small aperture. The diagram illustrates successive wavefronts (vibrating in same phase). After what time will some portion of the wavefront XY reach P?

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Physics>Optics>Wave Optics>Huygen's Principle
Which colour of light travels slowest in glass ?
MEDIUM
Physics>Optics>Wave Optics>Huygen's Principle
A plane wavefront, incident normally on a plane mirror remains parallel to the incident wavefront, after reflection.
HARD
Physics>Optics>Wave Optics>Huygen's Principle
A radio transmitter operates at a frequency 0f 880 kHz and a power of 10 kW. The number of photons emitted per second are :
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Physics>Optics>Wave Optics>Huygen's Principle
In Huygen's principle each point on wavefront acts as a new source of new disturbance called secondary wavelets.
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Physics>Optics>Wave Optics>Huygen's Principle
What does the speed of light in vacuum depends on?
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Physics>Optics>Wave Optics>Huygen's Principle
A plane wavefront is incident on a convex mirror while travelling parallel to the principal axis. The shape of the reflected wavefront is:
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Physics>Optics>Wave Optics>Huygen's Principle
In fog, photographs of the objects taken with infrared radiations are more clear than those obtained during visible light because
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Physics>Optics>Wave Optics>Huygen's Principle
All the points of a plane wavefront reach the convex mirror together as it travels in a direction parallel to the principal axis. 
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Physics>Optics>Wave Optics>Huygen's Principle
After reflection from a concave mirror, a plane wavefront becomes-