Explanation The image of a point object spreads out in the form of a disk due to diffraction effects. Two objects when viewed through a telescope appear to be just resolved, if the central maximum of one of the diffraction pattern of one object just falls on the first minimum of the other. This criterion of resolution is called Rayleigh’s criterion for resolution. Given: The diameter of the mirror D = 254 cm = 2.54 m Wavelength of the light λ = 560 nm = 5.60 × 10 − 7 m Formula: Angular resolution limit due to diffraction is given by, θ = ( 1.22 λ D rad ) Calculation: Substitute the given values of diameter and wavelength in the expression and calculate the angular resolution. θ = ( 1...

Physics: Principles and Applications -- Pearson e Text Instant Access (Pearson+)

7th Edition

ISBN: 9780137679065

Author: Douglas Giancoli

Publisher: PEARSON+

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Chapter 25, Problem 53P

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The angular resolution limit set by diffraction for the 100-inch mirror Mt Wilson telescope.

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Chapter 25, Problem 52P

Chapter 25, Problem 54P

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Physics: Principles and Applications -- Pearson e Text Instant Access (Pearson+)

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