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If the string always remains confined to...

If the string always remains confined to the xy-plane, then it represents

A

a plane polarised wave

B

an unpolarised wave

C

linearly polarised wave

D

Both (a) and ( c)

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The correct Answer is:
D
In transverse wave the displacement is in the Y-direction, it is often referred to as a y-polarised wave. Since, each point on the string moves on a straight line, the wave is also referred to as a linearly polarised wave. Further, the string always remains confined to the XY-plane and therefore it is also referred to as a plane polarised wave.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-WAVE THEORY OF LIGHT -EXERCISE 2 (Miscellaneous Problems)
  1. Which phenomenon best supports the theory that matter has a wave natur...

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  2. Which of the following cannot be polarised?

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  3. An optically active compound

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  4. If the polarizing angle of a piece of glass for green light is 54.74^(...

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  5. When unpolarised light beam is incident from air onto glass (n=1.5) at...

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  6. When both the components of electric field of light waves are present ...

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  7. In the propagation of electromagnetic waves the angle between the dire...

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  8. An unpolarised beam of intensity I(0) is incident on a pair of nicols ...

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  9. A beam of unpolarised light is passed first through tourmaline crystan...

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  10. If the plane of vibrations of the string is changed randomly in a very...

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  11. According to Newton's corpuscular theory, the speed of light is

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  12. A beam of natural light falls on a system of 5 polaroids, which are ar...

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  13. A ray of light is incident on a medium boundry at polarising angle suc...

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  14. Polarisation of light proves the -

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  15. Unpolarized light is incident on a plane glass surface. What should be...

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  16. If the string always remains confined to the xy-plane, then it represe...

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  17. Unpolarized light of intensity I(0) is incident on surface of a block ...

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  18. A polarised light intensity I(0) is passed through another polariser w...

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