(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

8. Below is a graph of electron energy v light frequency for platinum. Record and identify the following on the graph.

• The threshold frequency.

• The range of frequencies that give an electron a kinetic energy greater than zero.

• The range of frequencies that do not eject an electron.

Graph is here : http://imageshack.us/photo/my-images/839/physicsl.png/

2. Relevant equations

3. The attempt at a solution

i have said the the threashold frequency is 1.50x 10^15 Hz

with the range i have said that 1.50 > 3.00

and the range that does not eject is between 0 > 1.5

You guidence is truly appreaciated

Thanks

Fischer

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# Homework Help: Reading a Electron Energy v Ligth Frequency Graph

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