lim (kl9356) – Homework 23 – Weathers – (22202)
1
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12
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001
(part 1 of 2) 10.0 points
The left face of a biconvex lens has a radius of
curvature of 18
.
8 cm, and the right face has a
radius of curvature of 15
.
8 cm. The index of
refraction of the glass is 1
.
44.
Calculate the focal length of the lens. An
swer in units of cm.
002
(part 2 of 2) 10.0 points
Calculate the focal length if the radii of curva
ture of the two faces are interchanged. Answer
in units of cm.
003
(part 1 of 2) 10.0 points
Two converging lenses, each of focal length
15 cm, are placed 39
.
7 cm apart, and an
object is placed 29
.
4 cm in front of the first.
How far from the first lens is the final image
formed? Answer in units of cm.
004
(part 2 of 2) 10.0 points
What is the magnification of the system?
005
10.0 points
A light source emits visible light of two wave
lengths, 460 nm and 496 nm.
The light im
pinges upon a double slit apparatus, schemat
ically shown below.
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 Spring '00
 Littler
 Magnetism, Work, Light, Wavelength, nm light

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