1. Bring up the internet and go to the following site: http://phet.colorado.edu/

Question

1. Bring up the internet and go to the following site: http://phet.colorado.edu/index.php

2. Look for "Run our Simulations", click "On Line", then "Light and Radiation" (in the left hand column), then "Photoelectric Effect", then "Run Now".

3. Keep the battery voltage at 0. Turn light intensity up to 100%. You will be testing Sodium first (metals are in the upper right hand box).

4. Adjust wavelength to a value which just allows electrons to leave the surface at slowest possible speed.

5. Calculate W in electrons volts using the following values and formulas:

c = ln, where c = 2.998E17 nm/sec, l is in nm and n is in s-1

h = 6.626E-34 J

Explanation / Answer

this link contain solution for your answer...

http://www.docstoc.com/docs/82622427/teacher_20100420_0859

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.