Fallout from nuclear weapons or from a nuclear reactor accident is due to
A) the uranium nuclei used in the fission reaction.
B) the radioactive "fission products" produced during the fission reaction.
C) the neutrons produced during the fission reaction.
D) chickens flying overhead.
E) the radioactive "fusion products" produced during the fusion reaction.
B
You might also like to view...
The diagrams below show two uniformly charged spheres. The charge on the right sphere is 3 times as large as the charge on the left sphere. Each arrow represents the electric field at the center of one sphere created by the other. Which choice best represents the magnitudes and directions of the electric field vectors created by one sphere at the location of the other sphere?
A 20-m long steel wire (cross-section 1.0 cm2, Young's modulus 2.0 × 1011 N/m2), is subjected to a load of 25 000 N. How much will the wire stretch under the load?
A. 0.25 cm B. 2.5 cm C. 12.5 cm D. 25 cm E. 1.25 cm
In the Doppler effect for electromagnetic waves, which of the following gives the greatest shift in frequency?
a. the source moving toward the non-moving observer at speed v b. the observer moving toward the non-moving source at speed v c. the source moving toward the approaching observer, both at speed v/2 d. All of the above give the same shift.
Characterize each of the following processes as being reversible (A) or irreversible (B). (Some answers may be debatable!)
(a) A living creature grows. (b) A ball is dropped and falls freely downward. (c) A ball rebounds elastically from a wall. (d) A piece of hamburger meat cooks on a grill. (e) A cube of ice melts in a glass sitting on a table. (f) A bowling ball elastically scatters some bowling pins.