The ________-type seismic waves can travel through liquids and solids. The ________-type seismic waves can travel through solids only.
A. P; S
B. S; S
C. S; P
D. P; P
Answer: A
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Werner Heisenberg
A) developed a wave equation for matter waves (1926). B) was the first to produce X-ray-like diffraction patterns of electrons passing through thin metal foil (1927). C) set the limits on the probability of measurement accuracy (1927). D) suggested the existence of matter waves (1924). E) predicted the positron from relativistic quantum mechanics (1928).
A steel ball sinks in water but floats in a pool of mercury, which is much denser than water. Where is the buoyant force on the ball greater?
A) It is the same in both cases. B) submerged in the water C) floating on the mercury D) It cannot be determined from the information given.
The three quarks in any baryon must all have different
a. baryon number. b. color charge. c. electric charge. d. lepton number. e. spin.
In the mid-19th century, what was the single largest cause of death?
What will be an ideal response?