1.

Resolving power of a telescope increases with(a) increase in focal length of eye-piece(b) increase in focal length of objective(c) increase in aperture of eye piece(d) increase in apeture of objective

Answer»

 (d) Resolving power λ/dλ= plane transmission grating Resolving power for telescope=1/ limit of resolution  = d/1.22 λ=d0/d1 by increasing the aperture of objective resolving power can be increased



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