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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Is Huygen’s principle valid for longitudinal sound waves?

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प्रश्न

Is Huygen’s principle valid for longitudinal sound waves?

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उत्तर

Yes, it can Huygen’s principle basically states that every point wavefront can be considered as a secondary source of tiny wavelets that spread out in the forward direction of the wave itself. The disturbance due to the source propagates in spherical symmetry that is in all directions. The formation of the wavefront is in accordance with Huygen’s principle.
So, Huygen’s principle is valid for longitudinal sound waves also.

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पाठ 10: Wave Optics - MCQ I [पृष्ठ ६४]

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एनसीईआरटी एक्झांप्लर Physics Exemplar [English] Class 12
पाठ 10 Wave Optics
MCQ I | Q 10.1 | पृष्ठ ६४

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Using Huygens's construction of secondary wavelets explain how a diffraction pattern is obtained on a screen due to a narrow slit on which a monochromatic beam of light is incident normally.


Using Huygens’ principle, verify the laws of reflection at a plane surface.


Using this principle draw a diagram to show how a plane wave front incident at the interface of the two media gets refracted when it propagates from a rarer to a denser medium. Hence verify Snell's law of refraction.


Use Huygens’s principle to explain the formation of diffraction pattern due to a single slit illuminated by a monochromatic source of light.


State Huygens’s principle. Show, with the help of a suitable diagram, how this principle is used to obtain the diffraction pattern by a single slit.

Draw a plot of intensity distribution and explain clearly why the secondary maxima becomes weaker with increasing order (n) of the secondary maxima.


With what type of source of light are cylindrical wave fronts associated?


Define the term wavefront. Using Huygen’s wave theory, verify the law of reflection. 


Answer the following question.
Define the term wavefront. Using Huygen's wave theory, verify the law of reflection.


A plane wave front AB propagating from denser medium (1) into a rarer medium (2) is incident on the surface P1P2 separating the two media as shown in fig.

Using Huygen’s principle, draw the secondary wavelets and obtain the refracted wave front in the diagram.


According to Huygen's construction, relation between old and new wavefront is ______.


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


For light diverging from a point source ______.

  1. the wavefront is spherical.
  2. the intensity decreases in proportion to the distance squared.
  3. the wavefront is parabolic.
  4. the intensity at the wavefront does not depend on the distance.

What is the shape of the wavefront on earth for sunlight?


According to Huygens’s principle, the amplitude of secondary wavelets is ______.


What type of wavefronts are associated with a source infinity?


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