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In a laboratory four convex lenses L(1),...

In a laboratory four convex lenses `L_(1), L_(2), L_(3)` and `L_(4)` of focal lengths `2,4,6` and `8 cm` respectively are available. Two of these lenses form a telescope of length `10 cm` and magnifying power 4 . The objective and eye lenses are

A

`L_(2),L_(3)`

B

`L_(1),L_(4)`

C

`L_(3),L_(2)`

D

`L_(4),L_(1)`

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