Radiation pressure: The total electromagnetic power emitted by the sun is 3.8 × 1026 W. What is the radiation pressure it exerts on the perfectly absorbing surface of a satellite near the orbit of Mercury, which is 5.8 × 1010 m from the sun? The radiation strikes the surface of the satellite perpendicular to the surface. (c = 3.0 × 108 m/s)
Fill in the blank(s) with the appropriate word(s).
30 µN/m2
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Star X has an apparent magnitude of 3, and star Y has an apparent magnitude of 13. How do they compare in observed brightness?
A) Star Y is 10,000 times brighter than star X. B) Star X is 10,000 times brighter than star Y. C) Star Y is 10 times brighter than star X. D) Star X is 10 times brighter than star Y.
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.
In a two-slit experiment, monochromatic coherent light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. At what angle away from the centerline does the second dark fringe occur?
A) 4.70° B) 3.51° C) 3.94° D) 1.17° E) 2.34°
Distinguish between a transverse wave and a longitudinal wave. Give examples of each
What will be an ideal response?