Ch. 29 9
Assume the pictured electron beam initially moves in the vertical direction and then bends to the right in the plane of the picture.
Which ways does B point?
Ch. 29 14
Exotic astrophysical phenomena may be addressed with future multi-Petawatt lasers
PetaWatt LaserTe ~ 1 keVTrad ~ 1 keV
B ~ 100 Megagauss@ n ~ 10 g/cm3
Neutron StarTe ~ 10 keVTrad ~ 10 keV
B ~ 10 Gigagauss@ n ~ 10-1-10-3 g/cm3
The minimal requirements for photon-bubble instability could potentially be met with a properly configured 10 ps PetaWatt laser experiment.
HEDP Task Force
B ~ 106 T B ~ 104 T
Ch. 29 17
Quick Quiz 29.10a
Three types of particles enter a mass spectrometer like the one shown in your book as Figure 29.24. The figure below shows where the particles strike the detector array. Rank the particles that arrive at a, b, and c by speed.
(a) a, b, c (b) b, c, a (c) c, b, a (d) All their speeds are equal.
Ch. 29 18
Quick Quiz 29.10b
Rank the particles that arrive at a, b, and c by m/q ratio.
(a) a, b, c (b) b, c, a
(c) c, b, a (d) All their m/q ratios are equal.
Ch. 29 21
Quick Quiz 29.4
The four wires shown below all carry the same current from point A to point B through the same magnetic field. In all four parts of the figure, the points A and B are 10 cm apart. Rank these situations according to the magnitude of the magnetic force exerted on the wires, from greatest to least?
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