The peak of a body's blackbody radiation curve shifts upward as the temperature of the body increases
Indicate whether the statement is true or false
T
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The major observational difference between a Seyfert galaxy and a normal spiral galaxy is that, unlike a normal spiral galaxy, a Seyfert galaxy:
A) usually has shorter spiral arms. B) does not have a black hole at its center. C) has a small, highly luminous nucleus in its bulge. D) does not contain young stars in its spiral arms.
Adiabatic Processes: A monatomic ideal gas at an initial temperature of 390 K is compressed adiabatically from an initial volume of 120 L to a final volume of 40.0 L. What is the final temperature of the gas?
A. 124 K B. 811 K C. 610 K D. 775 K E. 820 K
Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. The remaining 4 million tons of mass is
A) ejected into space in a solar wind. B) ejected into space by solar flares. C) converted to an amount of energy equal to 4 million tons times the speed of light squared. D) reabsorbed as molecular hydrogen.
A magnifying glass uses a converging lens with a refractive power of 20 diopters. What is the magnification if the image is to be viewed by a relaxed eye (image at the far point) having a near point of 25 cm and a far point at infinity?
A) 5.0 x B) 3.0 x C) 4.0 x D) 1.0 x E) 2.0 x