1. Final Review Friday, May 8, 2009

2. When the distance between two slits increases, the fringe spacing 1.Decreases 2.Increases 3.Stays the same 4.Depends on wavelength

3. Energy http://energy.sigmaxi.org/

4. Problem 25: 47 1.0nC 1.0cm 1.0cm 2.0nC 2.0nC 1.0cm Force on 1.0nC charge, magnitude and direction? Electric field at location of 1.onC charge?

5. Problem 21: 12 What is the electric field between the plates? 0 V 300V.A force on a proton at A?

6. 21.25 Two 2.0cm x 2.0cm square aluminum plates are spaced 0.50mm apart and connected to a 100V battery. – C = ? – Q = ?

7. Equivalent Resistance Req =? Current in 5 ohm resistor? 10 5

8. Power Resistance of a 75 W light bulb (V=120V)

9. Light HeNe laser emits a wavelength of 633nm. What is the frequency of this light? A beam from this laser travels through water. What are the frequency, speed and wavelength?

10. Diffraction grating A diffraction grating has 300 lines per mm. On a screen 60cm from the grating, at what angle will the 2 nd order line from a HeNe laser appear?

11. Optical Fiber n g = 1.62, n c = 1.48 θc = ?, θin = ? θcθc θin

12. Monday, 10:30-12:30 HERE Thank you. I have enjoyed this class.