The fundamental frequency of HF is 8.72 × 10^13 Hz. The energy associated with a transition from the 10th to the 9th vibrational quantum number (in eV) is
a. 3.61
b. 0.361
c. 0.060 5
d. 0.605
e. 0.182
b
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The frequency of red light is ________ that of a green light.
A. greater than B. the same as C. less than D. greater than, the same as, or less than, depending on a source of light
Metal lids on glass jars can often be loosened by running them under hot water. Why is this?
a. The hot water is a lubricant. b. The metal and glass expand due to the heating, and the glass being of smaller radius expands less than the metal. c. The metal has a higher coefficient of thermal expansion than glass so the metal expands more than the glass, thus loosening the connection. d. This is just folklore.
What is the symbol used on the periodic table for the element Rubidium?
a. Rf b. Hs c. Rb d. No e. U
An airplane that is flying level needs to accelerate from a speed of 2.00 × 102 m/s to a speed of 2.40 × 102 m/s while it flies a distance of 1.20 km. What must be the acceleration of the plane?
A) 4.44 m/s2 B) 2.45 m/s2 C) 7.33 m/s2 D) 5.78 m/s2 E) 1.34 m/s2