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Home / Doubts and Solutions/NEET/Physics

Astronomical telescope has two lens of focal power 0.5D,and 20D.its magnifying power is? 1-40cm,2-10cm,3-100cm,4-35cm

Asked by Priyanka 15th November 2017, 9:16 AM
Answered by Expert
Answer:
begin mathsize 16px style M equals fraction numerator f o c a l space l e n g t h space o f space o b j e c t i v e over denominator f o c a l space l e n g t h space o f space e y e space p i e c e end fraction equals fraction numerator P o w e r space o f space e y e space p i e c e over denominator P o w e r space o f space o b j e c t i v e end fraction equals fraction numerator 20 over denominator 0.5 end fraction equals 40 M a g n i f i c a t i o n space d o e s n apostrophe t space h a v e space a n y space u n i t end style
Answered by Expert 6th December 2017, 5:07 PM
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