Planetary scientists believe that the Moon was most likely a nearby small planet gravitationally captured by Earth.
Answer the following statement true (T) or false (F)
False
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The two forms of electromagnetic radiation that penetrate the atmosphere best are
A) X-rays and gamma rays. B) ultraviolet and visible light. C) visible and infrared light. D) visible and radio waves. E) infrared and microwaves.
A wire (length = 2.0 m, diameter = 1.0 mm) has a resistance of 0.45W. What is the resistivity of the material used to make the wire?
a. 5.6 × 10^-7 W × m b. 1.2 × 10^-7 W × m c. 1.8 × 10^-7 W × m d. 2.3 × 10^-7 W × m e. 7.1 × 10^-7 W × m
A one-way mirror works because of
a. interference b. diffraction c. its surfaces being half-silvered d. dispersion e. polarization
The saturation magnetization of nickel measured at room temperature is 5.1×105 A/m.
(a) Calculate the average number of Bohr magnetons on a nickel atom, knowing that nickel has an FCC structure with an atom at 0,0,0. At room temperature the lattice parameter is 0.352 nm. (b) Compare your answer to part (a) with the theoretical number of Bohr magnetons based upon the atomic electron structure of nickel, and explain any possible difference.