The CCD detector in a certain camera has a width of 8 mm. Part A The photographer realizes that with the lens she is currently using, she can't fit the entire landscape she is trying to photograph into her picture. Should she switch to a lens with a longer or shorter focal length? O longer shorter Submit Request Answer
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- solve correctly. I will rate accordingly.58. A magnifying glass is a converging lens, which could be used to make a real image of an object. A small lightbulb is placed 25.0 cm in front of a convex lens with a focal length of 10.0 cm. a. G Draw a ray-tracing diagram to find the position of the image formed by the lens. b. N Calculate the location and magnification of the image to confirm the accuracy of your drawing.53. N An object is placed 10.0 cm in front of a diverging lens of focal length -6.00 cm. Determine the image magnification and the image distance. 54 An obiect is placed 14.0 cm in front of o diuorgi long with
- 8)The vision of a nearsighted colleague has a near point of 50 cm and a far point of 100 cm. Part A In order to see distant objects correctly, what power lens does she/he need in order to correct her/his vision? -2.0 D -1.0 D 1.0 D 2.0 D Submit Request AnswerA nearsighted woman has a far point of 280 cmcm . Part A What kind of lens, converging or diverging, should be prescribed for her to see distant objects more clearly? converging diverging she doesn't need lens not enough information to estimate Part B What refractive power should the lens have? Express your answer in diopters.
- Part A A 1.2-cm-tall object is 78 cm in front of a diverging lens that has a -39 cm focal length. Calculate the image position. Express your answer to two significant figures and include the appropriate units. HÀ ? s' = Value Units Submit Request Answer Part B Calculate the image height. Express your answer to two significant figures and include the appropriate units. HA ? h' = Value Units Submit Request AnswerPart A A converging lens with a focal length of 60 cm and a diverging lens with a focal length of -50 cm are 290 cm apart. A 3.5-cm-tall object is 80 cm in front of the converging lens. Calculate the image position relative to the diverging lens. Express your answer to two significant figures and include the appropriate units. Enter a positive value if the image is on the other side from the lens and a negative value if the image is on the same side. HẢ ? s'2 Value Units %D Submit Request Answer Part B Calculate the image height. Express your answer to two significant figures and include the appropriate units. HA h' = Value Units %3D Submit Request AnswerYang can focus on objects 140 cm away with a relaxed eye. With full accommodation, she can focus on objects 21 cm away Part A You may want to review (Page 995). After her eyesight is corrected for distance vision, what will her near point be while wearing her glas For help with math skills, you may want to review: Express your answer to two significant figures and include the appropriate units. Rearrangement of Equations Involving Multiplication and Division For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Magnifier. HA Value Units
- Part A A sharp image is located 391 mm behind a 263-mm-focal-length converging lens. Find the object distance. Follow the sign conventions. Express your answer to three significant figures and include the appropriate units. HA do = Value Units Submit Request Answer Provide Feedback Next>Part A A stamp collector uses a converging lens with a focal length 50.0 mm to view a stamp 70.0 mm in front of the lens. Where is the image located? 175.0 mm You are correct. Your receipt no. is 168-5755 ? Previous Tries Part B Is the image real or virtual? Upright or inverted? Larger or smaller than the object? In front or behind the lens? V Real (R) or Virtual(V) I✓ Upright(U) or Inverted(I) L✓ Larger (L) or Smaller(S) F✓ In Front (F) or Behind (B) the lens An image is in front of the lens if it is on the same side as the object. Submit Answer Incorrect. Tries 3/6 Previous TriesResources L Give U Suppose a certain person's visual acuity is such that he or she can see objects clearly that form an image 4.00 µm high on his retina. What is the maximum distance at which he can read the 67.0 cm high letters on the side of an airplane? The lens-to-retina distance is 2.25 cm. maximum distance: Question Credit: OpenStax College Physics contact us help