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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Which series is shown above?
a. Lyman
b. Paschen
c. Balmer
d. None of the other choices are correct.
The distance between two successive ‘like' points on a wave is the wave's
a. speed. b. frequency. c. wavelength. d. amplitude. e. loudness.
If the potential difference across a capacitor is doubled, what happens to the energy stored?
1.It becomes four times larger. 2.It becomes two times larger. 3.It is unchanged. 4.It becomes one-half as large. 5.It becomes one-fourth as large.
The mathematical model of quantum mechanics was principally founded by
a. Max Planck b. Albert Einstein c. Neils Bohr d. Erwin Schroedinger e. Werner Heisenberg.