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For a ray of light, which of the followi...

For a ray of light, which of the following statements holds true?

A

A ray is defined as the path of energy propagation

B

The wavelength for a ray of light in geometrical optics is assumed to be negligible, standing to zero

C

A ray of light travels in a straight line

D

All of the above

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The correct Answer is:
D
A ray is defined as the path of energy propagation in the limit of wavelength tending to zero. It travels in a straight line and defined as the path of energy propagation.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-WAVE THEORY OF LIGHT -EXERCISE 1
  1. By corpuscular theory of light, the phenomenon which cannot be explain...

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  2. According to corpuscular theory of light, the different colours of lig...

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  3. For a ray of light, which of the following statements holds true?

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  4. Which of the following generates a plane wavefront?

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  5. When a ray of light is incident normally on a surface, then

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  6. A wavefront is……….of all the particales of a medium which are…………….. .

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  7. Which of the following statement (s) is/are correct? I. A point sour...

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  8. The idea of secondary wavelets for the propagation of a wave was first...

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  9. A shortcoming of Huygen's model could not

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  10. Ray diverging from a point source from a wave front that is

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

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  12. Light waves travel in vacuum along the y-axis. Which of the following ...

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  13. A light wave travels through a medium carrying energy in three dimensi...

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  14. According to Huygens' principle, a wavefront propagates through a medi...

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  15. In given figure, light passes from denser medium 1 to rarer medium 2. ...

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  16. Figure shows behaviour of a wavefront when it passes through a prism. ...

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  17. If a source of light is moving away from a stationary observer, then t...

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  18. If a star is moving towards the earth, then the lines are shifted towa...

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  19. It is believed that the universe is expanding and hence the distant st...

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  20. In case of reflection of a wavefront from a reflecting surface, I...

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