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Intensity Amplitude Relationship

Assume that l...

Question

Assume that light of wavelength 6000 A⁰ is coming from a star . What is the limit of resolution of a telescope whose objective has diameter of 100 inch

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Solution

here D = 100in = 2.54m

lambda =6000 angstrom= 6 ( 10^-10) m

putting the formula, 1/theta = D/1.22lambda

We get theta nearly equals to 2.9 (10^-7)radians.

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