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JEE Main Physics Class 12 Wave Optics Part 1 Questions
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Question : 91
Total: 100
In an experiment, electrons are made to pass through a narrow slit of width ‘d’ comparable to their de Broglie wavelength.
They are detected on a screen at a distance ‘D’ from the slit (see figure).
Which of the following graphs can be expected to represent the number of electrons ‘N’ detected as a function of the detector position ‘y’(y = 0 corresponds to the middle of the slit)
[2008]
Validate
Solution:
The electron beam will be diffracted and the maxima is obtained at
y
=
0
Also, the diffraction pattern, should be wider than the slit width.
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