IIT JAM Follow
May 16, 2020 1:45 am 30 pts
Explain me concept behind grating element and why here it put it's value in inverse form as 1/4000 is there any rule.!!!!!
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I am pretty much sure, you will definately get the concept of grating element of a grating, after having a look at my solution. I have explained each and everything as much as I ca...
Abhishek singh
I have shown for a few lines of grating to make it clearly visible. In actual, there are Thousands of lines.
• Ruby negi
1line means one slit (a+b) so 4000lines means 4000slits and it makes grating .. here in the question it is given 4000lines to the cm (sometimes it is written like " 4000line per cm...
• Chandra dhawan
Grating element it's a distance between centre of two consecutive slits d . d = a (distance between the two slit) + b (slits width) ......................and think the c...
• Chandra dhawan
The figure shows a small portion of a plane diffraction grating. The width of each slit is a and opaque spacing between two consecutive slits is. b. a+b is called grating element o...
• Dhairya sharma
so it's a defination that (a+b) = 1/ no of gratting lines. see the attached.
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