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Assume that light of wavelength 6000 Å i...

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

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The diameter of the objective,
D = 100 inch = 254 cm wavelength of light,
`lambda=6000 Å=6xx10^(-5)cm`
the limit of resolution,
`Delta theta ~~ (1.22 lambda)/(D)=((1.22)(6xx10^(-5)))/(254)~~2.9xx10^(-7)` rad.
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MOTION-WAVE OPTICS -EXERCISE - 4 (Level - II) Previous Year | JEE Main
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