1.

A 10 cm tall candle, when viewed using a biconvex lens, appears to be 20 cm tall. The focal length of the lens is 5 cm. What is the object distance?

Answer»

A 10 cm tall candle, when viewed using a biconvex lens, appears to be 20 cm tall. The focal length of the lens is 5 cm. What is the object distance?



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