Q33- I A giant refracting telescope at an observatory has an objective lens of focal length 15 m .
Автор: physics spc sandeep sir
Загружено: 2024-11-01
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Q33 I (a) A giant refracting telescope at an observatory has an objective lens of focal length 15 m . If an eyepiece of focal length 1cm is used , what is angular magnification of the telescope in normal adjustment?
( b) Id this telescope is used to view the moon, what is the diameter of the image of the moon formed by the objective lens ? The diameter of the moon is 3.48 ×10^6 m and the radius of lunar orbit is 3.8 × 10 ^8 m .
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