A) \[{{v}_{1}}^{2}-{{v}_{1}}^{2}=\frac{2\,h}{m}({{f}_{1}}-{{f}_{2}})\]
B) \[{{v}_{1}}+{{v}_{2}}={{\left[ \frac{2\,h}{m}({{f}_{1}}+{{f}_{2}}) \right]}^{1/2}}\]
C) \[{{v}_{1}}^{2}+{{v}_{2}}^{2}=\frac{2\,h}{m}({{f}_{1}}+{{f}_{2}})\]
D) \[{{v}_{1}}-{{v}_{2}}={{\left[ \frac{2\,h}{m}({{f}_{1}}-{{f}_{2}} \right]}^{1/2}}\]
Correct Answer: A
Solution :
[a] The Einsteins photo electric equation is |
Hence, |
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