What is the focal length of a lens if when an object is located 20.0cm to the

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What is the focal length of a lens if when an object is located 20.0cm to the left of lens, the image is located 10.0cm to the left of the lens?

		a) 0.05cm
		b) 0.15cm
		c) -6.67cm
		d) +20cm
		e) +6.67cm
		f) -20cm

Related Book For answer-question

College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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Posted Date: Apr 17, 2020 09:06 AM

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What is the focal length of a lens if when an object is located 20.0cm to the

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