In an astronomincal telescope, the distance between the objective and the eyepiece is 36cm and the final image is formed at infinity. The focal length f_(0) of the objective and the focall length f_(e)of th eeyepiece are

In an astronomincal telescope, the distance between the objective and

1.	In an astronomincal telescope, the distance between the objective and the eyepiece is 36cm and the final image is formed at infinity. The focal length f_(0) of the objective and the focall length f_(e)of th eeyepiece are
Answer» `f_(0)=45` cm and `f_(E)=-9CM` `f_(0)=50` cm and `f_(e)=10cm` `f_(0)=7.2` cm and `f_(e)=5CM` `f_(0)=30` cm and `f_(e)=6cm` Solution : USIN `M=(f_(0))/(f_(e))` and `L=f_(0)+f_(e)`

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In an astronomincal telescope, the distance between the objective and the eyepiece is 36cm and the final image is formed at infinity. The focal length f_(0) of the objective and the focall length f_(e)of th eeyepiece are

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