JEE PHYSICS MCQ: WAVE OPTICS

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

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Correct option: A

the consecutive fringe lines will come closer

Option D (Is reduced by a factor of 1/4) is correct because the probable error is inversely proportional to the square root of the number of readings.

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Which of the following properties of electromagnetic waves does not support particle nature of radiation (electromagnetic wave)? Spherical wavefronts, emanating from a point source, strike a plane reflecting surface. What will happen to these wave fronts, immediately after reflection? An astronomical telescope is able to resolve two stars at an angular separation of

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