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The shape of wave front at large distanc...

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

A

plane

B

spherical

C

cylindrical

D

linear

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The correct Answer is:
A
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KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. The most important point of Huygen's wave theory is that ......

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

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

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

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

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  6. Huygen's principle cannot explain .....

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

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

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

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

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

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

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

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

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

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  16. Speed of light wave of 5000 Å wavelength produced from a star is 1.5 x...

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  17. Displacement of two light waves are e(1)=4 sin omega t and e(2)= 3 sin...

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  18. Ratio of amplitude of two coherent sources is 5:2. Ratio of intensity ...

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  19. Intensity of two sources are different and waves emitting from source ...

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  20. In Young's experiment ratio of maximum and minimum intensities of frin...

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