Assume that light of wavelenght 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m is :

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1.83×10−7rad

7.32×10 −7rad

6.00×10−7rad

3.66×10−7rad

answer is D.

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Detailed Solution

θ=1.22λa=1.22×600×10−92=3.66×10−7radian

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