CGPET 2016 Solved Paper

Section: Physics

Question : 40 of 150

Marks: +1, -0

In a telescope, the focal length of objective is 60‌cm and eye piece is 10‌cm. When it is focussed on an object parallel rays come out of eyepiece. If the angle subtended at objective by object is 3∘, then what is the angular width of image?

24∘
18∘
12∘
6∘

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