Which is the largest planet?
A. Uranus
B. Jupiter
C. Earth
D. Neptune
E. Saturn
Answer: B
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In a two-slit experiment, monochromatic coherent light of wavelength 600 nm passes through a pair of slits separated by 2.20 x m. At what angle away from the centerline does the first bright fringe occur?
A) 1.56° B) 2.22° C) 3.12° D) 4.70° E) 6.24°
Potential: As a proton moves in a direction perpendicular to the electric field lines
A. it is moving from low potential to high potential and gaining electric potential energy. B. it is moving from low potential to high potential and losing electric potential energy. C. it is moving from high potential to low potential and gaining electric potential energy. D. it is moving from high potential to low potential and losing electric potential energy. E. both its electric potential and electric potential energy remain constant.
The International Space Station orbits at an average 360-km altitude so that it is mainly above Earth's
A) atmosphere. B) gravitation. C) both of these D) none of the above
Consider two different rods. The greatest thermal conductivity will be in the rod with
a. electrons that are freer to move from atom to atom. b. the greater specific heat. c. the greater cross-sectional area. d. the greater length.