Physics 1 Practice test for Midterm 1
You may find the following data useful: Acceleration due to gravity: Volume of a cylinder: g = 9.80m/s2 V = r2h
1. A steel cylinder is 39 mm in height and 39 mm in diameter. (a) How much does it weigh? (density
Constants
Momentum(30-10)
h= 6.63 x 10-34 Js (Placks constant)
R= 1.097 x 107 m -1 (Rydberge)
Quantum Physics
Momentum of a Photon (30-11)
Wiens Displacement Law (30-1)
SI: Hz = s-1
Relation to Conserve Energy ( 30-12)
Quantized Energy (30-2)
Energy of a
Constants
k= 1/ 40=8.99 x 109 Nm2/C2
o = 8.85 10 -12 C 2/Nm 2
e = 1.60 x 10 -19 C
me = 9.11 x10 -31 kg
mp = 1.673 x 10 -27 kg
mn =1.675 x 10 -27 kg
1 C = 6.25 x 10 18 electrons
Conversions
1 V= 1J/C
1eV= 1.60 x 10 -19 J
1N/C=1V/m
1F =1C/V
1F= 10 -6 F
1A=