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Microscopes And Telescopes
Question
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 Draw a labelled Ray diagram of an image of a distant object formed by a refracting astronomical telescope in normal adjustment. Write (do not derive) an expression for its magnifying power.

Answer

Ray diagram of an image of a distant object is:

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Some More Questions From Microscopes And Telescopes Chapter

State two important conclusions that can be drawn from Millikan’s oil drop experiment to determine the charge of an electron. 

(i)Explain the statement: “Angular magnification of a compound microscope in normal use is 30”.

(ii) State how the resolving power of an astronomical telescope can be increased. 

 Draw a labelled Ray diagram of an image of a distant object formed by a refracting astronomical telescope in normal adjustment. Write (do not derive) an expression for its magnifying power.