A superconductor expels any magnetic field from its interior. This is called
a. electromagnetic induction
b. Maxwell's effect
c. magnetic declination
d. the Meissner effect
e. none of the above
D
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Radioactive Decay: How long would it take 4.00 × 1020 atoms to decay to 1.00 × 1019 atoms if their half-life was 14.7 years?
A. 29.4 years B. 58.8 years C. 78.2 years D. 147 years
Your friend says that, when a compass is taken across the equator, it turns around and points in the opposite direction. Your other friend says that this is not true, that people in the Southern Hemisphere use the south magnetic pole of the compass to point toward the nearest pole. You're on; what do you say?
What will be an ideal response?
For an ideal gas,
A) CP = CV for all ideal gases. B) CP > CV for all ideal gases. C) CP < CV for all ideal gases. D) it depends on whether the gas is monatomic or diatomic.
How can the mixing of fresh and salt water be considered stored solar energy? Explain
What will be an ideal response?