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Chapter 26 Solutions
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- (a) What magnification is produced by a 0.150 cm-focal length microscope objective that is 0.155 cm from the object being viewed? (b) What is the overall magnification if an 8 x eyepiece (one that produces an angular magnification of 8.00) is used?arrow_forwardPeople who do very detailed work close up, such as jewelers, often can see objects clearly at much closer distance than the normal 25 cm. (a) What is the power of the eyes of a woman who can see an object clearly at a distance of only 8.00 cm? (b) What is the image size of a 1.00-mm object, such as lettering inside a ring, held at this distance? (c) What would the size of the image be if the object were held at the normal 25.0 cm distance?arrow_forwardA doctor examines a mole with a 15.0-cm focal length magnifying glass held 13.5 cm from the mole. (a) Where is the image? (b) What is its magnification? (c) How big is the image of a 5.00 mm diameter mole?arrow_forward
- A 2.40-cm-high insect is 1.30 m from a 129-mm-focal-length lens. Where is the image? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. dil = 0.143 m Submit Previous Answers Part B Correct How high is the image? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. hil -2.64x10-3 m Submit Previous Answers ▸ Part C Part D Correct Where is the image of the insect if the focal length of the lens is f = -129 mm? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. HA di2 Value Units Submit Request Answer Part E ? How high is the image of the insect if the focal length of the lens is f = -129 mm? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. ha = Value ΜΑ Units ?arrow_forwardTwo thin lenses with focal lengths of magnitude 15.0 cm, the first diverging and the second converging, are placed 12.00 cm apart. An object 3.00 mm tall is placed 5.50 cm to the left of the first (diverging) lens. Where is the image formed by the first lens located? Please provide a detailed explanation of the process. How far from the object is the final image formed? Please describe the steps taken to reach to your conclusion.arrow_forwardWe use a lens of focal length f = 4.8 mm in order to project an image of an object AB (height = 1.6 cm) placed at 24 mm of the lens. Determine the position and the size of the image A'B'. 1) Calculation а. Write the thin lens formula b. Use it to determine the distance between the lens and the image. Use this result in order to determine the magnification of the projection. с. d. Determine the size of the image A'B'.arrow_forward
- An object is 19.5 cm from the center of a spherical silvered-glass Christmas tree ornament 6.20 cm in diameter. ▼ Part A What is the position of its image (counting from the ornament surface)? Follow the sign rules. Express your answer with the appropriate units. s' = Submit ▾ Part B m = HA Value Submit Request Answer What is the magnification of its image? VG ΑΣΦ Units Request Answer PYREX ? ?arrow_forwardA diverging lens has a focal length of 20.0 cm. Use graph paper to construct accurate ray diagrams for object distances of (a) 40.0 cm and (b) 10.0 cm. In each case determine the location of the image from the diagram and the image magnification, and state whether the image is upright or inverted. (c) Estimate the magnitude of uncertainty in locating the points in the graph. Are your answers and the uncertainty consistent with the algebraic answers found in Problem 33?arrow_forwardImagine you were provided with a lens, lens holder, screen, sheet of paper, meter rule, clamp& stand, cross wires(object) and a touch light source. Identify the type of lens you have been provide with. Explain your answer Hence write down: two characteristics of the image formed the distance d of the image formed from the lens what is the significance of d? Justify your answerarrow_forward
- Answer the following questions about magnification with expressions: a) What magnification is produced by a “f” focal length microscope objective that is “d_o” from the object being viewed? b) What is the overall magnification if an Mx eyepiece (one that produces an angular magnification of M) is used? Give in terms of M and the variables given in part a.arrow_forward1. You have a thin lens of focal length 50 mm. a. The object is 100 mm to the left of the lens. Where is the image located (that is, what is the image distance q, including sign - express in millimeters)? Is the image real or virtual? What is the magnification? b. The object is 1 meter to the left of the lens. Where is the image located (that is, what is the image distance q, including sign - express in millimeters)? Is the image real or virtual? What is the magnification? c. The object is 20 mm to the left of the lens. Where is the image located (that is, what is the image distance q, including sign - express in millimeters)? Is the image real or virtual? What is the magnification?arrow_forwardIn 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. d) Using your answer from part c), what is the magnification of the eye-peice lens? e) If the initial object was 3μm what is the final image height?arrow_forward
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
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