1.

A telescope, consisting of an objective of focal length 60cm and a single eye lens of focal length 15cm is focused on a distant object in such a way that parallel rays comes out from the eye lens. IF the objects subtends at angle 2^@ at the objective, the angular width of the image is

Answer»

`10^@`
`8^@`
`5^@`
`1//6^@`

ANSWER :B


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