The Jovian moons Io, Europa, Callisto and Triton are
A) larger than Pluto but smaller than Mercury
B) smaller than Pluto
C) about the same size as Pluto
D) larger than Pluto but smaller than the Moon
A
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Consider a two-slit interference experiment like the one shown in figure Q3.7b. The distance between adjacent bright spots in the interference pattern on the screen (A) increases, (B) decreases, or (C) remains the same if, The spacing between the slits increases.
A. increases B. decreases C. remains the same
A Frisbee is thrown horizontally by a student and travels in a straight line. Viewed from above, the Frisbee is seen to be in clockwise rotation. From the point of view of the student, in which direction is the angular momentum of the Frisbee while in flight?
a. The Frisbee has no angular momentum since it is moving along a straight line away from the student. b. The direction of the angular momentum is along the line away from the student. c. The direction of the angular momentum is toward the right since this was a right-handed throw. d. The direction of the angular momentum is downward, perpendicular to the path of the Frisbee.
Two long parallel wires separated by 5.0 mm each carry a current of 60 A. These two currents are oppositely directed. What is the magnitude of the magnetic field at a point that is between the two wires and 2.0 mm from one of the two wires?
A. 2.0 mT B. 10 mT C. 8.0 mT D. 1.6 mT E. 7.2 mT
What is the binding energy of the 4He nucleus?
A) 14.15 MeV B) 28.3 MeV C) 7.80 MeV D) 10.77 MeV E) 20.36 MeV