Does anyone know what the Diaphragm on the microscope does?
1 answer:
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Answer:
119.42 x 10⁻³ m
Explanation:
The distance of first dark fringe from central bright spot will be equal to the width of fringe .
Fringe width = λL /w
where λ is wavelength of light, w is slit width , L is distance of screen .
So required distance
=
= 119.42 x 10⁻³ m