Chapter 29, Problem 79PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

# Integrated ConceptsAn electron microscope passes 1.00-pm-wavelength electrons through a circular aperture 2.00 μm in diameter. What is the angle between two just-resolvable point sources for this microscope?

To determine

The angle between two points which are resolvable by microscope.

Explanation

Given info:

Wavelength of the electron passing = 1.00 pm.

Diameter of circular aperture = 2.00 Âµ m.

Formula used:

The angle between two just resolvable point sources,

Î¸=1.22Î»D ,

Here, D is diameter andÎ¸ is angle.

Calculation:

Substituting the given values, we get

Î¸=1

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