Isotope A has a decay constant of 0.861 s-1 and isotope B has a decay constant of 0.627 s-1. Which isotope has a longer mean life (time constant)?
A) isotope A B) isotope B
B
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A piston compresses a gas, while at the same time heat is lost to the surroundings. The temperature of the gas rises. This is governed by the second law of thermodynamics
a. True b. False Indicate whether the statement is true or false
An organ pipe of length L that is open at one end resonates in its third harmonic with a wavelength of 2L/3. Is the other end of the pipe closed or open?
A) closed B) open C) We cannot tell from the information provided.
The function of polarizing filters in viewing 3-D slides or movies is to provide each eye
A) the ability to see parallax. B) a balanced intensity. C) an independent left or right-eye view. D) a stereoscopic view. E) with light polarized at right angles to each other.
For an electron transition between orbitals to occur, the angular-momentum quantum number must change by plus or minus _________.
Fill in the blank(s) with the appropriate word(s).