本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics
[单选题]
A beam of red light and a beam of ni yta:q e/e.1xued9lo(1v7 twq -f9vviolet light each deliver6p5qpz1tnn 5k the same power on a surface. For z nt6k55p n1qpwhich beam is the number of photons hitting the surface per second the greatest?
A. the red beam
B. the violet beam
C. The number of photons per second is the same for both beams.
D. This cannot be answered without knowing just what the light intensity is.
参考答案: A
本题详细解析:
暂无
| 
Post time 2024-1-22 00:41:22