FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 34, Problem 120P
A coin is placed 20 cm in front of a two-lens system. Lens 1 (nearer the coin) has focal length f1 = +10 cm, lens 2 has f2 = +12.5 cm, and the lens separation is d = 30 cm. For the image produced by lens 2, what are (a) the image distance i2 (including sign), (b) the overall lateral magnification, (c) the image type (real or virtual), and (d) the image orientation (inverted relative to the coin or not inverted)?
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When two lenses are used in combination, the first one forms an image that then serves as the object for the second lens. The magnification of the combination is the ratio of the height of the final image to the height of the object. This is equal to the product of the separate magnification values mm of each lens. In equation form
mtotal=(m1)(m2).
A 1.20 cm tall object is 50.0 cm to the left of a lens of focal length of magnitude 40.0 cm . A second lens, this one having a focal length of magnitude 60.0 cm, is located 300 cm to the right of the first lens along the same optic axis.
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Find the location and height of the image (call it I2) formed by the lens with a focal length of 40.0 cm if the first lens is diverging and the second lens is a converging.
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In this problem, we will design a microscope using two convex lenses. The objective lens has a focal length fo = 0.2 cm and the eye piece lens has a focal length fe = 3.0 cm; these two lenses are separated by a distance of 5.0 cm.
a) The sample is placed 0.22 cm away from the objective lens. What is the image distance?
b)What is the magnification of the object contributed by the objec- tive lens?
c)What is the image distance after the light interacts with the eye- piece lens? Hint: You will need to determine the distance of the image fromt he objective lens to the eye-piece lens.
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e) If the initial object was 3μm what is the final image height?
An object of height 5.50 cm is placed 33.0 cm to the left of a converging lens with a focal length of 10.5 cm. Determine the image location in cm, the magnification, and the
image height in cm.
HINT
(a) the image location in cm
cm
(b) the magnification
(c) the image height in cm
cm
(d) Is the image real or virtual?
O real
virtual
(e) Is the image upright or inverted?
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O inverted
Chapter 34 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 34 - A penguin waddles along the central axis of a...Ch. 34 - When a T. rex pursues a jeep in the movie Jurassic...Ch. 34 - You look through a camera towards an image of a...Ch. 34 - ILW A moth at about eye level is 10 cm in front of...Ch. 34 - A concave shaving mirror has a radius of curvature...Ch. 34 - a A luminous point is moving at speed vo towards a...Ch. 34 - A lens is made of glass having an index of...Ch. 34 - A movie camera with a single lens of focal length...Ch. 34 - You produce an image of the Sun on a screen, using...Ch. 34 - SSM WWW A double-convex lens is to be made of...
Ch. 34 - SSM An illuminated slide is held 44 cm from a...Ch. 34 - If the angular magnification of an astronomical...Ch. 34 - An object is 10.0 mm from the objective of a...Ch. 34 - Someone with a near point Pn of 25 cm views a...Ch. 34 - SSM The formula 1/p 1/i = 1/f is called the...Ch. 34 - SSM Two thin lenses of focal lengths f1 and f2 are...Ch. 34 - Two plane mirrors are placed parallel to each...Ch. 34 - SSM A fruit fly of height H sits in front of lens...Ch. 34 - A pinhole camera has the hole a distance 12 cm...Ch. 34 - Light travels from point A to point B via...Ch. 34 - A point object is 10 cm away from a plane mirror,...Ch. 34 - Show that the distance between an object and its...Ch. 34 - A luminous object and a screen are a fixed...Ch. 34 - An eraser of height 1.0 cm is placed 10.0 cm in...Ch. 34 - A peanut is placed 40 cm in front of a two-lens...Ch. 34 - A coin is placed 20 cm in front of a two-lens...Ch. 34 - An object is 20 cm to the left of a thin diverging...
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