2. F ˆ F www.schoolDD.com 1
19
F
ˈ F F F
F
- F F hf ( F
) F F F EKmax F
F ˆ F W F F
- F hf < W F
- F hf = W F EKmax = 0 F
f0
- F F F F
- F F
- EKmax F f F F
- EKmax = eVS e ˂ VS F F
- EKmax = ½ mv2
max m F F 9.1x10-31
- 1 F (eV) = 1.6x10-19
e-
hf
EKmax + W
hf = EKmax + W
3. F ˆ F www.schoolDD.com 2
F
F ˈ F ˂ F ˂ F
F F F F F F F
F ˂ F F F F
1. F F F F F
F F F ˂ F F
F F F . F
F F F
2. F F F F
ˈ ˂
F F F F
F F .
. F
V0V
˂ B˂ A
F
˂
EK
. .
