What is the resonant frequency of a 1.0
F capacitor and 15 mH coil in series?
A. 15 kHz
B. 1.3 kHz
C. 0.87 kHz
D. 57 kHz
B. 1.3 kHz
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One of the absorption lines of hydrogen has a rest wavelength of 656 nm (at rest means with respect to the observer, like in a lab). You observe several stars and measure the wavelength of this same hydrogen absorption line in each star
Based on the measured wavelength of this line, which star is moving towards the Earth the fastest? A) 670 nm B) 640 nm C) 656 nm D) 630 nm E) 680 nm
What is the direction of the neutral atom’s electric field at the location of the charged particle?
A. A B. B C. C D. D E. Zero F. Other G. AA H. BB I. CC J. DD
Walking along a dry river bed, you find a conglomerate rock. What can you say about the rock's relative age?
A) The rock formed in place, at the river bed. B) The rock and mineral fragments that make up the rock are older than the actual rock. C) The rock is relatively young since it contains lots of small rock fragments. D) The rock and mineral fragments that make up the rock are younger than the actual rock.
The diagram below shows the position of a long straight wire perpendicular to the page and a set of directions labeled A through H.
When the current in the wire is directed up out of the page, the direction of the magnetic field at point P is
A. A. B. B. C. C. D. D. E. E.