A Cassegrain telescope like that shown in Fig. 31.34b has 1.0-m focal length, and the convex secondary

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A Cassegrain telescope like that shown in Fig. 31.34b has 1.0-m focal length, and the convex secondary mirror is located 0.85m from the primary. What should be the focal length of the secondary in order to put the final image 0.12m behind the front surface of the primary mirror?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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