Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Question
Chapter 41, Problem 1PLA
To determine
Whether the following statements about lenses are true or false and mark them.
Expert Solution & Answer
Answer to Problem 1PLA
Statement a: False
Statement b: False
Statement c: False
Statement d: False
Explanation of Solution
There are mainly two types of lens, converging lens and diverging lens.
The rays brought together to a point called focal length when a light beam of parallel rays incident on a converging lens. The focal point of the converging lens is always positive.
The rays diverges when a light beam of parallel rays incident on a diverging lens. The focal point of the diverging lens is always negative.
Conclusion:
- (a) The parallel rays converge upon incident on a converging lens and its focal point is positive. Thus, statement (a) is false.
- (b) When the path of the diverging light rays is traced backwards, they appear to come from a point called focal point. Thus, statement (b) is false.
- (c) A double convex lens does not have a negative focal length. Thus, statement (c) is false.
- (d) The focal point of the converging lens is always positive and the focal point of the diverging lens is always negative. Therefore, statement (d) is false.
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Chapter 41 Solutions
Physics Laboratory Manual
Ch. 41 - Prob. 1PLACh. 41 - A double convex lens is made from glass with an...Ch. 41 - Prob. 3PLACh. 41 - For a diverging lens, state what kinds of images...Ch. 41 - For a converging lens, state what kinds of images...Ch. 41 - A lens has a focal length of f = +10.0 cm. If an...Ch. 41 - An object is 16.0 cm from a lens. A real image is...Ch. 41 - One lens has a focal length of +15.0 cm. A second...Ch. 41 - Two lenses are in contact. One of the lenses has a...
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- The radius of curvature of the left-hand face of a flint glass biconvex lens (n = 1.60) has a magnitude of 8.00 cm, and the radius of curvature of the right-hand face has a magnitude of 11.0 cm. The incident surface of a biconvex lens is convex regardless of which side is the incident side. What is the focal length of the lens if light is incident on the lens from the left?arrow_forwardA concave spherical mirror has a radius of curvature of magnitude 24.0 cm. (a) Determine the object position for which the resulting image is upright and larger than the object by a factor of 3.00. (b) Draw a ray diagram to determine the position of the image. (c) Is the image real or virtual?arrow_forwardA 1.80-m-tall person stands 9.00 m in front of a large, concave spherical mirror having a radius of curvature of 3.00 m. Determine (a) the mirrors focal length, (b) the image distance, and (c) the magnification. (d) Is the image real or virtual? (e) Is the image upright or inverted?arrow_forward
- Which of the following is true of a concave lens? (7.4) (a) It is a converging lens. (b) It is thicker at the center than at the edge. (c) It is a lens that forms virtual images for Do f. (d) It is a lens that forms real images for Do f.arrow_forward(i) When an image of an object is formed by a converging lens, which of the following statements is always true? More than one statement may be correct. (a) The image is virtual. (b) The image is real. (c) The image is upright. (d) The image is inverted. (e) None of those statements is always true. (ii) When the image of an object is formed by a diverging lens, which of the statements is always true?arrow_forward
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