Answer:
2.8 cm
Explanation:
= Separation between two first order diffraction minima = 1.4 cm
D = Distance of screen = 1.2 m
m = Order
Fringe width is given by

Fringe width is also given by

For second order

Distance between two second order minima is given by


The distance between the two second order minima is 2.8 cm
I think it’s 15cm
Might be 7cm
The answer is true
<span>Nuclear Fusion is 2 small nuclei to form one that's bigger</span>
The hypothesis because its very hard to make and it confounds me