Heating due to the greenhouse effect is caused by the fact that our atmosphere lets
A. infrared wavelengths in but prevents heat loss at visible wavelengths
B. visible light through but prevents heat loss at longer (infrared) wavelengths
C. visible light through but prevents heat loss at shorter (ultraviolet) wavelengths
B. visible light through but prevents heat loss at longer (infrared) wavelengths
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Which of the following is false?
a. Alpha Orionis is apparently brighter than Beta Orionis. b. Beta Orionis is apparently brighter than Alpha Orionis. c. Rigel is apparently brighter than Betelgeuse. d. None of the choices are false.
Kepler's second law of planetary motion states that the orbits of the planets are ellipses with the Sun at one focus
a. True b. False Indicate whether the statement is true or false
A dome-shaped house is more heat efficient than a rectangular house because a dome has
A) no corners to radiate. B) less interior space. C) less area compared to its volume. D) all of the above E) none of the above
In Young's two-slit experiment, the distance between the slits and the screen is 1.1 m and the distance between the slits is 0.040 mm
If the second order bright fringe is measured to be 4.2 cm from the centerline, what is the distance between the adjacent fringes? A) 6.3 cm B) 3.1 cm C) 1.3 cm D) 2.1 cm E) 4.2 cm