मराठी

In Young’s double slit experiment, what is the effect on fringe pattern if the slits are brought closer to each other?

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प्रश्न

In Young’s double slit experiment, what is the effect on fringe pattern if the slits are brought closer to each other?

पर्याय

  • Fringes disappear

  • Fringe width increases

  • Fringe width decreases

  • Fringe width remains unaltered

MCQ
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उत्तर

Fringe width increases.

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2021-2022 (March) Set 1

संबंधित प्रश्‍न

A beam of light consisting of two wavelengths, 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double-slit experiment.

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In Young's double slit experiment using monochromatic light of wavelength 600 nm, 5th bright fringe is at a distance of 0·48 mm from the centre of the pattern. If the screen is at a distance of 80 cm from the plane of the two slits, calculate:
(i) Distance between the two slits.
(ii) Fringe width, i.e. fringe separation.


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In a double-slit experiment with monochromatic light, fringes are obtained on a screen placed at some distance from the plane of slits. If the screen is moved by 5 × 10-2 m towards the slits, the change in fringe width is 3 × 10-3 cm. If the distance between the slits is 1 mm, then the wavelength of the light will be ______ nm.


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