_____ coincides with the period called the "Little Ice Age," a time of unusually cool weather in Europe and North America
A) The Maunder minimum
B) A blueshift
C) A redshift
D) The magnetic solar phenomenon
A
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I the inductance and the capacitance both double in an LRC series circuit, the resonate frequency of that circuit will
A. decrease by a factor of 1?2. B. decrease by a factor of 1/4. C. increase by a factor of 2. D. increase by a factor of 4.
Photon Energy: What is the wavelength of a 6.32-eV photon? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A. 197 nm B. 167 nm C. 216 nm D. 234 nm
If you stand closer to a concave mirror than a distance of one focal length, the image you see is
a. real and inverted. b. real and upright. c. virtual and inverted. d. virtual and upright. e. none of the above because you do not get an image.
The pressure inside a commercial airliner is maintained at 1 atm (1.01 × 105 N/m2). What is the outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure (at 10-km height) is 0.3 atm?
A. 1.4 × 102 N B. 1.4 × 103 N C. 1.4 × 104 N D. 1.4 × 105 N E. 7.0 × 103 N