Determine the focal length of the concave lens

Reference no: EM13535330

You have a concave lens whose focal length has an absolute value of 8 cm and several convex lenses with f=5.0 cm, 12 cm, 15 cm, and 20 cm. Which of the convex lenses can be used to determine the focal length of the concave lens? Give your reason.

Reference no: EM13535330

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