In column-I the effect on fringe pattern in YDSE in mentioned when the changes mentioned in column-II are made. Match the entries of
column-I with the entries of column-II.
Column-I | Column-II |
(i) Angular fringe width change | [A] Screen is moved away from the plane of the slits |
(ii) Fringe width (linear separation between two consecutive fringes) changes | [B] Wavelength of light used is decreased |
(iii) Angular fringe width remain same | [C] The separation between the slits is increased |
(iv) The fringe pattern may disappear | [D] The width of the source slit is increased |
Text Solution
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Ans.
(i) [B],[C]
(ii) [A],[B],[C]
(iii) [A],[D]
(iv) [B],[C],[D]
Sol. (i) Wavelength of light used is decreased, The separation between the slits is increased
(ii) Screen is moved away from the plane of the slits, Wavelength of light used is decreased, The separation between the slits is increased
(iii) Screen is moved away from the plane of the slits, The width of the source slit is increased
(iv) Wavelength of light used is decreased, The separation between the slits is increased, The width of the source slit is increased
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