In single slit diffraction experiment ,if slit width is made double of original then intensity increases
1.) two times
2.)four times
3.) 8 times
4.) 16 times
Which is correct and how ? Please explain in detail.

Asked by Kb Aulakh | 25th Apr, 2015, 05:55: PM

Expert Answer:

Intensity is proportional to the square of the slit width. Thus, when the width of the slit is made double the original width, intensity will get four times of its original value.

Answered by Priyanka Kumbhar | 27th Apr, 2015, 01:27: PM