Which of the following Group 1A elements has the largest atom?
a. Rb
b. Na
c. K
d. Li
a
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Answer the following statement(s) true (T) or false (F)
1. Suppose we have a vial of quantum systems that could either be boxes or harmonic oscillators. When we excite these systems and look at their emission spectra, we see two visible lines, whose wavelengths we measure. From this data, we can determine which kind of system we have. 2. Suppose we measure the wavelengths of the absorption lines of a vibrating diatomic molecule involving atoms whose masses we know. From this data, we can deduce the effective spring constant ks of the bond holding these atoms together.
In which one of the following flows must compressibility be considered?
(A) Flow around a commercial jet at takeoff (B) A category 5 hurricane (C) A Corvette at full-throttle on the Salt Lake Flats (D) Flow around the wing of a commercial aircraft in its approach to an airport
The gas between stars that has a temperature below a few hundred kelvins is best studies with which kind of telescope?
A) Radio B) Infrared C) Optical D) Ultraviolet E) X-ray
The force responsible for a car moving steadily along a no-friction icy banked curve is due to
A) centrifugal effects. B) the normal force at right angles to the curved surface. C) the radial component of the normal force. D) none of the above