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If the Source of Light Used in a Young'S Double Slit Experiment is Changed from Red to Violet,

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प्रश्न

If the source of light used in a Young's double slit experiment is changed from red to violet, ___________ .

विकल्प

  • the fringes will become brighter

  • consecutive fringes will come closer

  • the intensity of minima will increase

  • the central bright fringe will become a dark fringe

MCQ
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उत्तर

consecutive fringes will come closer

 

Fringe width,

\[\beta = \lambda D/d\]

Wavelength of red light is greater than wavelength of violet light; so, the fringe width will reduce.

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अध्याय 17: Light Waves - MCQ [पृष्ठ ३८०]

APPEARS IN

एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
अध्याय 17 Light Waves
MCQ | Q 8 | पृष्ठ ३८०

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