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  4. Resolving power of electron microscope is:

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Q. Resolving power of electron microscope is:

Jharkhand CECEJharkhand CECE 2006

Solution:

Resolving power or limit of resolution is the ability to distinguish two close points as distinct. It is calculated as $ m=\frac{0.61\lambda }{NA} $ $ \text{NA}\,\text{=}\,\text{Numerical Aperature}\text{.} $ The resolving power of electron microscope is $ 2-10\overset{\text{o}}{\mathop{\text{A}}}\,. $