You produce an image of the Sun on a screen, using a thin lens whose focal length is 15.0 cm. What is the diameter of the image?
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You produce an image of the Sun on a screen,
using a thin lens whose focal length is 15.0 cm. What
is the diameter of the image?
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- A photographer uses his camera, whose lens has a 60 mmmm focal length, to focus on an object 5.0 mm away. He then wants to take a picture of an object that is 40 cmcm away. How far must the lens move to focus on this second object?You are using a microscope with a 10× eyepiece. What focal length of the objective lens will give a total magnification of 200×? Assume a length L = 160 mm.An object is located 16.6 cm to the left of a diverging lens having a focal length f = −32.4 cm. What is the magnification of the image? Group of answer choices 0.661 2.13 0.346 1.17
- plz answer in details, thanksYou need to use a 23- cm -focal-length lens to produce an inverted image one third the height of an object. At what distance from the object should the lens be placed? Express your answer with the appropriate units.A person looks at a gem using a converging lens with a focal length of +8.7 cm. A virtual image is formed 55.3 cm from the lens. What is the magnification?