An object is placed 2.4 m from a screen, and a lens of focal length f is
Question:
An object is placed 2.4 m from a screen, and a lens of focal length f is placed between the object and the screen so that a real image of the object is formed on the screen. When the lens is moved 1.2 m toward the screen, another real image of the object is formed on the screen.
(a) Where was the lens located before it was moved?
(b) What is the focal length of the lens?
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a The expressions for the data 1 s 1 1 s 1 1 s 2 1 s 2 s 2 s 1 12 ...View the full answer
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