An observatory uses a large refracting telescope that has an objective lens of diameter, 1.00 m. The telescope resolves images with green light of wavelength 550 nm. If the telescope can barely resolve two stars in a binary system in which the stars are 2.0 x 1011 m apart, how far away is the system? Assume that 1 light year = 9.461 x 1015 m.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter25: Reflection And Refraction Of Light
Section25.4: Analysis Model: Wave Under Refraction
Problem 25.4QQ
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An observatory uses a large refracting telescope that has an objective lens of diameter, 1.00 m. The telescope resolves images with green light of wavelength 550 nm. If the telescope can barely resolve two stars in a binary system in which the stars are 2.0 x 1011 m apart, how far away is the system? Assume that 1 light year = 9.461 x 1015 m.

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