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College Physics | 12th Edition | ISBN: 9780321595492 | Authors: Randall D. Knight
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Figure P17.67 shows the light intensity on a screen 2.5 m

Chapter 17, Problem 69GP

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QUESTION:

Problem 69GP

Figure P17.67 shows the light intensity on a screen 2.5 m behind an aperture. The aperture is illuminated with light of wavelength 600 nm.

a. Is the aperture a single slit or a double slit? Explain.

b. If the aperture is a single slit, what is its width? If it is a double slit, what is the spacing between the slits?

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QUESTION:

Problem 69GP

Figure P17.67 shows the light intensity on a screen 2.5 m behind an aperture. The aperture is illuminated with light of wavelength 600 nm.

a. Is the aperture a single slit or a double slit? Explain.

b. If the aperture is a single slit, what is its width? If it is a double slit, what is the spacing between the slits?

ANSWER:

Problem 69GP

Figure P17.67 shows the light intensity on a screen 2.5 m behind an aperture. The aperture is illuminated with light of wavelength 600 nm.

a. Is the aperture a single slit or a double slit? Explain.

b. If the aperture is a single slit, what is its width? If it is a double slit, what is the spacing between the slits?

                                                              Step by Step Solution

Step 1 of 2

The distance of screen is .

The wavelength of light is .

(a)

The intensity maxima, as well as intensity minima, are separated by the equivalent length in the case of the interference intensity pattern. Also, it is known that with the rise in order of the fringes, the intensity of light reduces. These types of observations are not found in single slit interference. Thus, the interference intensity pattern is because of the double slit.

The aperture is a double slit instead of a single slit.

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