Optics a screen is placed 50 mc ......

here is a mistake in the question, here is y3-y1=3mm and D=50cm.. when you use in my derivation you will get 0.2mm

There are two mistakes in the question, first is the distance of screen is 50 cm(it is written as 50 mc) and the second is, Y3-Y1 = 3 mm(they have given 3000mm) . Otherwise everyth...

see correct ans dear... I very helpful for you

dear Δy = 3mm.... ..becoz put this value in formula we get 0.2mm ans which is correct.. and I hope you got it my point dear

dear. I think que is wrong bcoz.....see attached.. file

dear here is the solution.. I don't know what is mc, so I put it as it is. but the integer value of width is coming 2. means option b is only width, that why a,c,d is not width. an...