A researcher is trying to shoot a tranquilizer dart at a 2.2-m-tall rhino that i
ID: 1618908 • Letter: A
Question
A researcher is trying to shoot a tranquilizer dart at a 2.2-m-tall rhino that is 180 m away. Its angular size as seen through the rifle telescope is 9.3 . What is the magnification of the telescope?A researcher is trying to shoot a tranquilizer dart at a 2.2-m-tall rhino that is 180 m away. Its angular size as seen through the rifle telescope is 9.3 . What is the magnification of the telescope?
A researcher is trying to shoot a tranquilizer dart at a 2.2-m-tall rhino that is 180 m away. Its angular size as seen through the rifle telescope is 9.3 . What is the magnification of the telescope?
Explanation / Answer
The magnification of the telescope is:
size of image/size of object
= 9.3° / arctan(2.2/180)
= 9.3° / 0.70°
= 13.3 X
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