and the radius of lunar orbit is 3.8×10^8 m.
(i) A giant refracting telescope at an observatory has an objective lens of focal length 15 m . If an eyepiece of focal length 1.0 cm is used, what is angular magnification of the telescope ? (ii) If 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.
13
Nov
(i) A giant refracting telescope at an observatory has an objective lens of focal length 15 m . If an eyepiece of focal length 1.0 cm is used, what is angular magnification of the telescope ? (ii) If this telescope is used to view the moon, what is the diameter of the image of the [...]
Tags:
(i) A giant refracting telescope at an observatory has an objective lens of focal length 15 m . If an eyepiece of focal length 1.0 cm is used ,
and the radius of lunar orbit is 3.8×10^8 m. ,
what is angular magnification of the telescope ? (ii) If 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 ,