Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question

A Keplerian telescope has a front objective lens of diameter 10cm, focal length ??= 90cm, and an eyepiece of focal length ??=12mm. It is pointed at the Moon of angular diameter 0.5 degree. The diameter of the intermediate image of the Moon formed inside the telescope is:              mm (to 1 d.p.), and the angular magnification of the telescope ?? is:

A Keplerian telescope has a front objective lens of diameter 10 cm, focal length f. = 90 cm, and an eyepiece of focal length fe = 12 mm. It is pointed at the Moon of angular diameter 0.5 degree. The diameter of the intermediate image of the Moon formed inside the telescope is mm (to 1 d.p.), and the angular magnification of the telescope MA is
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Transcribed Image Text:A Keplerian telescope has a front objective lens of diameter 10 cm, focal length f. = 90 cm, and an eyepiece of focal length fe = 12 mm. It is pointed at the Moon of angular diameter 0.5 degree. The diameter of the intermediate image of the Moon formed inside the telescope is mm (to 1 d.p.), and the angular magnification of the telescope MA is
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