JEE Advanced 2021 Full Test 1 Paper 1
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(One or More than one correct type)
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and(D). ONE OR MORE THAN ONE of these four options is(are) correct.
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and(D). ONE OR MORE THAN ONE of these four options is(are) correct.
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Question : 11 of 54
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In an interference experiment as shown in the figure, the source plane and screen are separated by a distance 1m. At a certain position of source, fringe width is 1/4 mm and by moving the source away from mirror along the line AB by 0.6 mm , the fringe width changed to 1/6 mm :
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