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...... gave the concept of wave theory o...

...... gave the concept of wave theory of propagation of light

A

Newton

B

Maxwell

C

Huygens

D

Descartes

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The correct Answer is:
C
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Huygen was the figure scientist who proposed the idea of wave theory of light he said that the light propagates in form of wavelengths. A wavefront is a imaginary surface of every point of which waves are in the same. phase. For example the wavefront for a point source of light is collection of concentric spheres which have centre at the origin w_(1) is a wavefront w_(2) is another wavefront. The radius of the wavefront at time 't' is 'ct' in thic case where 'c' is the speed of light the direction of propagation of light is perpendicular to the surface of the wavelength. the wavefronts are plane wavefronts in case of a parallel beam of light. Huygen also said that every point of the wavefront acts as the source of secondary wavelets. The tangent drawn to all secondary wavelets at a time is the new wavefront at that time. The wavelets are to be considered only in the forward direction (i.e., the direction of propagation of light) and not in the reverse direction if a wavefront w_(1) and draw spheres of radius 'cDeltat' they are called secondary wavelets. Draw a surface w_(2) which is tangential to all these secondary wavelets w_(2) is the wavefront at time t+Deltat Huygen proved the laws of reflection and laws of refraction using concept of wavefront. Q. Wavefronts incident on an interface between the media are shown in the figure. the refracted wavefront will be as shown in

Which type of waves can propagate in solids ?

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……..cannot be explained by wave theory of light.

KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. According to particle theory of light what is the velocity of light in...

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  2. Light moves in a straight line. Because ......

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  3. ...... gave the concept of wave theory of propagation of light

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  4. In the wave propagation phenomenon, phase difference of oscillation of...

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  5. The line perpendicular to wavefront and which represents propagation o...

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  6. The most important point of Huygen's wave theory is that ......

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  7. Light moves in a straight line. Because ......

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  8. The shape of wave front at large distance is approximately ........

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  9. Limitations of Huygen's principle is explained by.....

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  10. Intensity of secondary waves is directly proportional to ......

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  11. Huygen's principle cannot explain .....

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  12. What is the phase difference between consecutive crest and through ?

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  13. Velocity of light in rarer medium is v(1) it passes through denser med...

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  14. Light of wavelength 5000 Å incidents on reflecting surface, then for ....

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  15. No. of waves of a certain colour light are 2000 in 1 mm distance in ai...

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  16. A rocket goes away from Earth at speed of 6 xx 10^(7) m//s and it has ...

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  17. The wavelength of wave of 5000 Å comir from a star at far distance is ...

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  18. Frequency of light changes when source move away from stationary obser...

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  19. The star recedes from the earth at the speed a 100 kms^(-1) Find the d...

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  20. In doppler effect of light, term red shift represents ......

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