p202s04-exam04

# p202s04-exam04 - Seat # Physics P202 R. Heinz/R. de Ruyter...

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=============================================================== Table of useful constants: (Speed of light in vacuum) 2 : c 2 = 931.494 MeV / u Planck’s constant: h = 6.626 10 -34 J s = 4.136 10 -15 eV s Product of h and c: h c = 1.986 10 -25 J m = 1240 eV nm Electron rest energy: m e c 2 = 0.511 MeV Proton rest energy: m p c 2 = 938.272 MeV =============================================================== 1. A linear charge distribution has a charge per unit length λ . When the perpendicular distance from this distribution is tripled, what happens to the electric field strength? a. It increases by a factor of (3) 1/2 . b. It decreases by a factor of (3) 1/2 . c. It increases by a factor of 3. d. It decreases by a factor of 3. e.
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## This note was uploaded on 07/02/2011 for the course PHYS 202 taught by Professor Warren during the Spring '09 term at Indiana.

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p202s04-exam04 - Seat # Physics P202 R. Heinz/R. de Ruyter...

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