A concave mirror has a radius of curvature 6.0 cm. Draw rays parallel to the axis at
Question:
A concave mirror has a radius of curvature 6.0 cm. Draw rays parallel to the axis at 0.5, 1.0, 2.0, and 4.0 cm above the axis and find the points at which the reflected rays cross the axis. (Use a compass to draw the mirror and a protractor to find the angle of reflection for each ray.)
(a) What is the spread δx of the points where these rays cross the axis?
(b) By what percentage could this spread be reduced if the edge of the mirror were blocked off so that parallel rays more than 2.0 cm from the axis could not strike the mirror?
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a The figure to the right shows the mirror and the four rays drawn to scale Using a cali...View the full answer
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ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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