Which of the following demonstrates the indeterminacy inherent in the microscopic [or atomic-level] world?
A) double slit experiment with electrons
B) radioactive decay
C) Both of the above.
D) spontaneous creation of a positron-electron pair from a photon
E) All of the above.
E
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Briefly explain debris disks
What will be an ideal response?
Electrons in a particle beam each have a kinetic energy of 3.2 × 10^-17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.05 m? (e = 1.6 × 10^-19 C)
a. 2000 N/C c. 200 N/C b. 4000 N/C d. 1000 N/C
If a transformation from solid to liquid occurs such that the solid and liquid are always in equilibrium, than the transformation is _____________.
Fill in the blank(s) with the appropriate word(s).
The Sun appears to rotate only because Earth is revolving about the Sun
a. True b. False Indicate whether the statement is true or false