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A thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized.The lens surfaces have equal radii of curvature of 112 cm,and the refractive index of the lens material is 1.500.
(a)How far from the lens should the screen be placed?
(b)How far is the screen from the object?
Revolution
A fundamental change in political power or organizational structures that takes place in a relatively short period of time, often accompanied by violence or the overthrow of an existing government.
Betrayed
An act of disloyalty or treachery, violating trust or faith.
George Washington
The first President of the United States (1789-1797), a Founding Father, and the commander-in-chief of the Continental Army during the American Revolutionary War.
Political Harmony
A state of peaceful interactions and cooperative decision-making among different political groups or parties.
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