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Huygen's principle of secondary waves...

Huygen's principle of secondary waves

A

allows us to find focal length of lens

B

gives us the magnifying power of lens

C

is a geometrical method to find the position of a wavefront

D

is used to determine velocity of light

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The correct Answer is:
C
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NIKITA PUBLICATION-WAVE THEORY OF LIGHT -Multiple Choice Questions
  1. Which of the following is a correct statement ? The ray of light

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  2. Which one of the following phenomena is not explained by Huygens const...

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  3. Huygen's principle of secondary waves

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  4. Huygen's principle is used to

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  5. In isotropic medium

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  6. Huygen's principle states that

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  7. Which of the following method is used to determine the position of giv...

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  8. Each and every point of the wavefront acts as

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  9. According to Huygen's construction which of the following wavefront do...

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  10. According to Huygen's construction , tangential envelope which touches...

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  11. Huygen's construction is used to determine the position of new

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  12. According to Huygen's construction, each point of secondary wavefront ...

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  13. The phenomenon of bouncing back of the light energy from the surface o...

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  14. The angle made by incident ray of light with the reflecting surface is...

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  15. The angle made by incident ray of light with the reflecting surface is...

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  16. The angle between reflected ray and normal to the reflecting surface i...

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  17. The angle between of the original direction of incident ray and reflec...

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  18. The angle of incidence is equal to angle of reflection is the statemen...

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  19. Which of the following statement is true in case of reflection of ligh...

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  20. When the light is reflected from the surface of the mirror, its speed ...

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