Physics Unit27: Early Quantum Theory and Models of the Atom (id: 8cdf4bda2)

[单选题]
A metal has a work function of .vws d(q 7qsy.jre z2,4.5 eV. Find the maximum kinetic enev p/fgcp*kieh -em. 0ka.vl9j i 64y4ergy of the photoelectroeg/p. i-yfmk j4k4v e 69ap0c.eih vl*ns if the wavelength of light is 250 nm.

A. zero
B. $0.37 \; eV$
C. $0.46 \; eV$
D. $0.53 \; eV$


参考答案:  C


本题详细解析: 暂无