Chapter 29, Problem 81PE

### 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 Concepts(a) What is the separation between double slits that produces a second-order minimum at 45.0Â° for 650-nm light? (b) What slit separation is needed to produce the same pattern for 1.00-keV protons.

To determine

(a)

The slit separation for 2nd order maxima for 650 nm of light and at an angle of 45º.

Explanation

Given:

Angle = 45.0Âº.

Wavelength = 650 nm.

Order = 2nd

Formula used:

dsinÎ¸=mÎ» ,

whered is the slit separation, sinÎ¸ is the angle andÎ» is the wavelength. 'm' is the order for maxima.

Calculation:

Since,

dsinÎ¸=mÎ»d=mÎ»/

To determine

(b)

Slit separation for proton with energy of 1 keV.

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