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Introductory Physics Volume Two

Introductory Physics Volume Two

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158 Wave Optics 7.11<br />

by 0.488 m on a wall that is 1.72 m from the grating. Determine the<br />

wavelength of the laser light.<br />

⊲ Problem 7.27<br />

Paul Revere received information from a person in a church steeple that<br />

was 1.8 miles away, by the number of lanterns that were displayed:<br />

”One if by land and, two if by sea.” What would be the minimum<br />

separation between two lantern for Paul Revere to be able to distinguish<br />

them? Assume that the diameter of his pupils was 4.00mm and that<br />

the light had a wavelength of about 580nm.<br />

⊲ Problem 7.28<br />

Redo all the problems in the book starting from chapter 1, but add one<br />

to each constant. Add all of the numerical answers and subtract 1 for<br />

each non numerical answer. What number do you get?

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