Multiple ChoiceIf an object is placed within the focus of a converging lens (it's at a distance of less than the focal length), will a real image form? If so, does it form at a distance less than or greater than the focal length?639views1rank3comments
Multiple ChoiceIf an object is placed within the focus of a diverging lens (it's at a distance of less than the focal length), where will the image form? If so, does it form at a distance less than or greater than the focal length?426views1comments
Multiple ChoiceAn object is 5.0cm in front of a diverging lens with focal length −20cm. Where is the image located?254views
Multiple ChoiceA 2.0cm tall object is 5.0cm in front of a diverging lens with focal length −20cm. What is the height of the image and is it upright or inverted?205views
Multiple ChoiceIf an object is placed within the focus of a converging lens (it's at a distance of less than the focal length), will a real image form? If so, does it form at a distance less than or greater than the focal length?186views2rank1comments
Multiple ChoiceIf an object is placed within the focus of a diverging lens (it's at a distance of less than the focal length), where will the image form? If so, does it form at a distance less than or greater than the focal length?181views3rank
Textbook QuestionAn object is 16.0 cm to the left of a lens. The lens forms an 36.0 cm to the right of the lens. (c) Draw a principal-ray diagram.175views
Textbook Question(I) (a) What is the power of a 26.5-cm-focal-length lens? (b) What is the focal length of a -6.25 -D lens? Are these lenses converging or diverging?7views
Textbook Question(II) A 105-mm-focal-length lens is used to focus an image on the sensor of a camera. The maximum distance allowed between the lens and the sensor plane is 132 mm. (a) How far in front of the sensor should the lens (assumed thin) be positioned if the object to be photographed is 10.0 m away? (b) 3.0 m away? (c) 1.0 m away? (d) What is the closest object this lens could photograph sharply?5views
Textbook Question(II) Two 28.0-cm-focal-length converging lenses are placed 16.5 cm apart. An object is placed 35.0 cm in front of one lens. (a) Where will the final image formed by the second lens be located? (b) What is the total magnification?4views