A contact lens is made of plastic with an index of
A contact lens is made of plastic with an index of refraction of 1.50. The lens has an outer radius of curvature of +2.0cm and an inner radius of curvature of +2.5cm. What are the focal length and the power of the lens?
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a block is pushed up an incline the incline creates an angle of 220deg with the horizontal when the block is released
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a contact lens is made of plastic with an index of refraction of 150 the lens has an outer radius of curvature of 20cm
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suppose a 50 meter diameter telescope were constructed on the dark side of the moon the viewing there except for brief
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