Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 33, Problem 75P
To determine
Estimate the size of water droplet.
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(a) A small light fixture on the bottom of a swimming pool is 0.92 m below the surface. The light emerging from the still
water forms a circle on the water surface. What is the diameter of this circle? (Give your answer, in m, to at least two
decimal places.)
Xm
(b) What If? If a 1.63 cm thick layer of oil (noil = 1.35) is spread uniformly over the surface of the water, what is the
diameter of the circle of light emerging from the swimming pool? (Give your answer, in m, to at least two decimal
places.)
X m
QB& Avayot light is intended 1.60 anol l.ya
The andle of încidence is ug and the ray
originates in the medium of higher inded.
Com Aute the angle of re flectionž
A point source emitting uniformly in all directions is
placed above a table-top at a distance of 0'50 m from ic.
The luminous flux of the source is 1570 lumen. Find the
illuminance at a small surface area of the table-top
(a) directly below the source and (b) at a distance of
0:80 m from the source.
Chapter 33 Solutions
Physics for Scientists and Engineers
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