Two slits are 0.08mm apart, and the screen is 1.5 m away. How far is the 3rd dark fringe located from the central maximum of light of wavelength is 600nm is used

2. A candle 8cm high is 40 cm in front of a mirror whose focal length is -70cm. What is the height of the image?

3. the radius of -curvature of a mirror is 20 cm the focal length is

4. The electric field is 2.0 m from a point charge that has a magnitude of 8.0 multiplied by 10 to the power of 4 N/C. What is the strength of the elastic field at a distance of 4.0 m?

5. Electric force on a dust particle having a charge equal 8 times 10 to the -18. What plates are separated by a distance of 2cm and have a potential difference of 5 kV?

6. A 6.0C times 10 to the -6 C charge is located at 4.0m from a -30 times 10 to the -6. What is the electric potential at P. halfway between the charges?

7. The energy released by the nuclear bomb that destroyed Hiroshima was equivalent to 12 .4 kilotons of TNT. This is equivalent to 9.0 times 10 to the power of 26 Mev. The mass that was converted into energy in this explosion

8. Calculate the average binding energy of 26 Fe 56 mass of protons =1.007825 amu mass of neutrons = 1.00866 mass of Fe =55.934932 amu

9. A meter stick moves at 0.6c relative to an observer. What is the relative length as seen by the observer

10. light (600nm) strikes a grating ruled with 350 lines /mm. What is the angular deviation of the 2nd-order bright fringe?

11. a current -carrying wire is placed in a uniform magnetic field oriented perpendicular to the wire. The length of the wire is 4m, and the magnitude of the magnetic field is 8T. What is the force don't the wire?