The maximum number of electron states with a principal quantum number n = 3 is 15
Indicate whether the statement is true or false
FALSE
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Self-Inductance: What is the self-inductance of an ideal solenoid that is 300 cm long with a cross-sectional area of 1.00 × 10-4 m2 and has 1000 turns of wire? (?0 = 4? × 10-7 T ? m/A)
A. 4.19 nH B. 4.19 pH C. 4.19 ?H D. 41.9 nH E. 41.9 µH
The "close encounter hypothesis" suggested that the planets formed after a near-collision between our Sun and another star. If this hypothesis were correct, which of the following would be true?
A) Planetary systems would be very rare. B) Planetary systems would be very common. C) Most planetary systems would have their jovian planets closer to their stars and their terrestrial planets farther from their stars. D) Most planetary systems would have the same number of planets as our own. E) All planetary systems would be at least 4 billion years old.
The Roche lobe of a star in a binary star system:
A) resembles the ear of Edouard Roche, a French mathematician. B) is, in terms of the star's gravity, its "zone of influence." C) is the part of a rapidly rotating star that will eventually spin away to form planets. D) is the accretion disk around the companion star. E) leads to formation of rings, like around the jovian planets.
Briefly describe how we can use the orbital characteristics of stars at many distances from the galactic center to determine the distribution of mass in the Milky Way
What will be an ideal response?