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Chapter 35: Q. 9 (page 1017)
A camera takes a properly exposed photo at and . What shutter speed should be used if the lens is changed to ?
The shutter speed is
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White light is incident onto a prism at the angle shown in . violet light emerges perpendicular to the rear face of the prism. The index of refraction of violet light in this glass is larger than the index of refraction of red light. At what angle does red light emerges from the rear face?
A microscope with a tube length of achieves a total magnification of with a objectives and a eye piece. The microscope is focused for viewing with a related eye. how far is the sample from the objective lens?
Ellen wears eyeglasses with the prescription.
a. What eye condition does Ellen have?
b. What is her far point without the glasses?
Suppose you wanted special glasses designed to let you see underwater without a face mask. Should the glasses use a converging or diverging lens? Explain.
A 2.0-cm-tall object is to the left of a lens with a focal length ofA second lens with a focal length of isto the right of the first lens.
a. Use ray tracing to find the position and height of the image. Do this accurately using a ruler or paper with a grid, then make measurements on your diagram.
b. Calculate the image position and height. Compare with your ray-tracing answers in part a.
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