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  • Draw the ray diagram of an astronomical telescope showing image formation in the normal adjustment position. Write the expression for its magnifying power.

Draw the ray diagram of an astronomical telescope showing image formation in the normal adjustment position. Write the expression for its magnifying power.

 

 
 
 
 
 

Answers (1)

The ray diagram of an astronomical telescope ;

The expression for its magnifying power is given as ;

Magnification =\frac{fo}{fe}

Or             m=\frac{\beta }{\alpha }

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Safeer PP

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