Problem 1CQ: On a sunny summer day, with the sun overhead, you can stand under a tree and look on the ground at... Problem 2CQ: Suppose you have two pinhole cameras. The first has a small round hole in the front of the camera.... Problem 3CQ: A photographer focuses his camera on his subject. The subject then moves closer to the camera. To... Problem 4CQ: The object for a magnifier is usually placed very close to the focal point of the lens, creating a... Problem 5CQ: A nature photographer taking a close-up shot of an insect replaces the standard lens on his camera... Problem 6CQ: The CCD detector in a certain camera has a width of 8 mm. The photographer realizes that with the... Problem 7CQ: All humans have what is known as a blind spot, where the optic nerve exits the eye and no... Problem 8CQ: Suppose you wanted special glasses designed to wear underwater, without a face mask. Should the... Problem 9CQ: You have lenses with the following focal lengths: f = 25 mm, 50 mm, 100 mm, and 200 mm. Which lens... Problem 10CQ: An 8-year-old child and a 75-year-old man both use the same magnifier to observe a bug. For whom... Problem 11CQ: A friend lends you the eyepiece of his microscope to use on your own microscope. He claims that... Problem 12CQ: An astronomer is using a telescope to observe two distant stars. The stars are marginally resolved... Problem 13CQ: A student makes a microscope using an objective lens and an eyepiece. If she moves the lenses closer... Problem 14CQ: Is the wearer of the glasses in Figure Q19.14 nearsighted or farsighted? How can you tell? Figure... Problem 15CQ Problem 16MCQ: A collector notices a rare beetle on a tree 1.0 m away. From this vantage point, the beetle has an... Problem 17MCQ: A microscope has a tube length of 20 cm. What combination of objective and eyepiece focal lengths... Problem 18MCQ: The distance between the objective and eyepiece of a telescope is 55 cm. The focal length of the... Problem 19MCQ: A nearsighted person has a near point of 20 cm and a far point of 40 cm. When he is wearing glasses... Problem 20MCQ: A nearsighted person has a near point of 20 cm and a far point of 40 cm. What refractive power lens... Problem 21MCQ: A 60-year-old man has a near point of 100 cm, making it impossible to read. What refractive power... Problem 22MCQ: A person looking through a 10 D lens sees an image that appears 8.0 cm from the lens. How far from... Problem 23MCQ Problem 24MCQ: An amateur astronomer looks at the moon through a telescope with a 15-cm-diameter objective. What is... Problem 1P Problem 2P: A student has built a 20-cm-long pinhole camera for a science fair project. She wants to photograph... Problem 3P: A pinhole camera is made from an 80-cm-long box with a small hole in one end. If the hole is 5.0 m... Problem 4P: A photographer uses his camera, whose lens has a 50 mm focal length, to focus on an object 2.0 m... Problem 5P: An older camera has a lens with a focal length of 50 mm and uses 36-mm-wide film to record its... Problem 6P: In Figure P19.6 the camera lens has a 50 mm focal length. How high is the mans well-focused image on... Problem 7P: a. Estimate the diameter of your eyeball. b. Bring this page up to the closest distance at which the... Problem 8P: A farsighted person has a near point of 50 cm rather than the normal 25 cm. What strength lens, in... Problem 9P: A nearsighted woman has a far point of 300 cm. What kind of lens, converging or diverging, should be... Problem 10P: Martin has severe myopia, with a far point of only 17 cm. He wants to get glasses that he'll wear... Problem 11P: Mary, like many older people, has lost all ability to accommodate and can focus only on distant... Problem 12P Problem 13P Problem 14P: Rank the following people from the most nearsighted to the most farsighted, indicating any ties: A.... Problem 15P: The diameter of a penny is 19 mm. How far from your eye must it be held so that it has the same... Problem 16P: A magnifier has a magnification of 4 for someone with a normal near-point distance of 25 cm. What is... Problem 17P: A magnifier has a magnification of 5. How far from the lens should an object be placed so that its... Problem 18P: A farsighted man has a near point of 40 cm. What power lens should he use as a magnifier to see... Problem 19P: An inexpensive microscope has a tube length of 12.0 cm, and its objective lens is labeled with a... Problem 20P: A standard biological microscope is required to have a magnification of 200. a. When paired with a... Problem 21P: A forensic scientist is using a standard biological microscope with a 15 objective and a 5 eyepiece... Problem 22P: A microscope with an 8.0-mm-focal-length objective has a tube length of 16.0 cm. For the microscope... Problem 23P: The distance between the objective and eyepiece lenses in a microscope is 20 cm. The objective lens... Problem 24P: For the combination of two identical lenses shown in Figure P19.24, find the position, size, and... Problem 25P: For the combination of two lenses shown in Figure P19.25, find the position, size, and orientation... Problem 26P: A researcher is trying to shoot a tranquilizer dart at a 2.0-m-tall rhino that is 150m away. Its... Problem 27P: The objective lens of the refracting telescope at the lick Observatory in California has a focal... Problem 28P: You use your 8 binoculars to focus on a yellow-rumped warbler (length 14 cm) in a tree 18m away from... Problem 29P: Your telescope has a 700-mm-focal-length objective and a 26-mm-focal-length eyepiece. One evening... Problem 30P: A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face... Problem 31P Problem 32P: A ray of red light, for which n = 1.54, and a ray of violet light, for which n = 1.59, travel... Problem 33P: Two lightbulbs are 1.0 m apart. From what distance can these lightbulbs be marginally resolved by a... Problem 34P: A 1.0-cm-diameter microscope objective has a focal length of 2.8 mm. It is used in visible light... Problem 35P: A microscope with an objective of focal length 1.6 mm is used to inspect the tiny features of a... Problem 36GP: Suppose you point a pinhole camera at a 15-m-tall tree that is 75 m away. a. If the detector is 22... Problem 37GP: Jason uses a lens with a focal length of 10.0 cm as a magnifier by holding it right up to his eye.... Problem 38GP: A magnifier is labeled 5. What would its magnification be if used by a person with a near-point... Problem 39GP: A 20 microscope objective is designed for use in a microscope with a 16 cm tube length. The... Problem 40GP: Two converging lenses with focal lengths of 40 cm and 20 cm are 10 cm apart. A 2.0-cm-tall object is... Problem 41GP: A converging lens with a focal length of 40 cm and a diverging lens with a focal length of 40 cm are... Problem 42GP: A lens with a focal length of 25 cm is placed 40 cm in front of a lens with a focal length of 5.0... Problem 43GP: A microscope with a 5 objective lens images a 1.0-mm-diameter specimen. What is the diameter of the... Problem 44GP Problem 45GP: A 20 objective and 10 eyepiece give an angular magnification of 200 when used in a microscope... Problem 46GP: The objective lens and the eyepiece lens of a telescope are 1.0 m apart. The telescope has an... Problem 47GP: Your telescope has an objective lens with a focal length of 1.0 m. You point the telescope at the... Problem 48GP: Martha is viewing a distant mountain with a telescope that has a 120-cm-focal-length objective lens... Problem 49GP: Susan is quite nearsighted; without her glasses, her far point is 35 cm and her near point is 15 cm.... Problem 50GP: A spy satellite uses a telescope with a 2.0-m-diameter mirror. It orbits the earth at a height of... Problem 51GP: Two stars have an angular separation of 3.3 105 rad. What diameter telescope objective is necessary... Problem 52GP: Frank is nearsighted and his glasses require a prescription of 1.5 D. One day he cant find his... Problem 53GP: What is the angular resolution of the Hubble Space Tele-scopes 2.4-m-diameter mirror when viewing... Problem 54GP: The Hubble Space Telescope has a mirror diameter of 2.4 m. Suppose the telescope was used to... Problem 55GP: Once dark adapted, the pupil of your eye is approximately 7 mm in diameter. The headlights of an... Problem 56GP: The normal human eye has maximum visual acuity with a pupil size of about 3 mm. For larger pupils,... Problem 57GP Problem 58MSPP: Light that enters your eyes is focused to form an image on your retina. The optics of your visual... Problem 59MSPP: Light that enters your eyes is focused to form an image on your retina. The optics of your visual... Problem 60MSPP: Light that enters your eyes is focused to form an image on your retina. The optics of your visual... Problem 61MSPP: Light that enters your eyes is focused to form an image on your retina. The optics of your visual... format_list_bulleted