A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What happens to the size of the inside diameter of a hole as its temperature increases?
a. increases
b. decreases
c. remains constant
d. becomes elliptical
a
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What index of refraction halves the wavelength that light has in a vacuum?
A. 1.33 B. 1.50 C. 1.41 D. 2.00 E. 5.00
If a reaction is exothermic and produces large quantities of heat reaching equilibrium, its equilibrium constant will be
A) negative, because it is an exothermic reaction. B) zero, because the reaction will not have an equilibrium constant. C) small (less than. D) large.
Protons and neutrons are held together by the
A. strong nuclear force. B. weak nuclear force. C. electromagnetic force. D. gravitational force.
At what frequency will the inductive reactance of a 44-mH inductor be equal to the capacitive reactance of a 27-pF capacitor?
What will be an ideal response?