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As a plane wavefront propagates, its rad...

As a plane wavefront propagates, its radius of curvature

A

decreases

B

increases

C

first increases and then decreases

D

remains infinity

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The correct Answer is:
D
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NIKITA PUBLICATION-WAVE THEORY OF LIGHT -Multiple Choice Questions
  1. The wavefront originating from extended source of light is

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  2. Wavefront is the locus of all points, where the particles of the mediu...

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  3. As a plane wavefront propagates, its radius of curvature

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  4. A plane wavefront is propagating in a medium. Which of the following i...

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  5. Light from distant star will be reaching on earth's surface in the for...

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  6. A perpendicular drawn to the wavefront in the direction of propagation...

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  7. The direction of wave normal along which light travels is

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  8. The rays of light corresponding to spherical wavefront are

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  9. The rays of light which are parallel in nature will form

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  10. Wavefronts will always moves

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  11. A wavefront and a ray of light are

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  12. Which of the following is a correct statement ? The ray of light

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

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  14. Huygen's principle of secondary waves

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  15. Huygen's principle is used to

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  16. In isotropic medium

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  17. Huygen's principle states that

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

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  19. Each and every point of the wavefront acts as

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

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