1.

A telescope using light having wavelength 5000 Å and using lenses of focal 2.5 and 30 cm . If the diameter of the aperture of the objective is 10 cm , then the resolving limit and magnifying power of the telescope is respectively

Answer»

`6.1xx10^(-6)` RAD and `12`
`5.0xx10^(-6)` rad and `12`
`6.1xx10^(-6)` rad and `8.3 xx10^(-2)`
`5.0xx10^(-6)` rad and `8.3 xx10^(-2)`

ANSWER :a


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