本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 国际高中通用物理
[单选题]
A student constructs an-p-k9 1awsp -5jqyh77 : (vuucbt bjtn astronomical wwl6l:ybhcz6q e6 )8 r;qua l cthi7))telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of th;tc:q llqhuwbra)l)ewz i6yh6 8 )c67e eyepiece?
A. $2.5 \; cm$
B. $5.0 \; cm$
C. $10 \; cm$
D. $25 \; cm$
参考答案: B
本题详细解析:
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