Physics Unit25: Optical Instrument (id: f36e412ae)

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本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics

[单选题]
The amount of light reaching the phd6gc o2*to7 film in a camera is deterlof aolpcvf:.f7r8l )x,6iu- mined by the

A. shutter speed.
B. f-stop.
C. focusing.
D. none of the given answers


参考答案:  B


本题详细解析: 暂无