A star system may undergo two or more nova outbursts
Indicate whether the statement is true or false
TRUE
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A proton is accelerated from rest through 500. V. It enters a magnetic field of 0.300 T oriented perpendicular to its direction of motion. Determine:
(a) the radius of the path it follows. (b) the frequency with which it moves around this path.
Exclusion Principle: The magnetic quantum number m? can have any integer value ranging from
A. -n to +n. B. -? to +?. C. 0 to n. D. 0 to ?. E. 0 to (n-1)
Quantum mechanics tells us that the probability of finding the electron in hydrogen at a distance between r and r + ?r in the ground state is greatest at a distance _____ a0 , where a0 is the Bohr radius.
A. 0.707 B. 1.00 C. 1.41 D. 2.00 E. 3.001/2
If the Moon's orbital plane was aligned with the celestial equator we could
a. have eclipses every month. b. never have eclipses. c. have eclipses only at solstice. d. have eclipses only at the equinoxes.