Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? All of these Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage Because the lamp will only function at a specific voltage Because if it wasn't, the lamp would bum out All of these Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage Because the lamp will only function at a specific voltage Because if it wasn't, the lamp would bum out ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy In the equation, A = ε bc, what quantity is represented by "ε"? None of these Path length Absorbtivity Molar absorbtivity None of these Path length Absorbtivity Molar absorbtivity ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Where does a carbonyl (C=0) stretch appear in an IR spectrum? 3640-3250 1740-1720 160-110 1870-1650 3640-3250 1740-1720 160-110 1870-1650 ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following relationships between absorbance and %transmittance is incorrect? A = log10 100 / %T All are correct A = log10 1 / T A = 2 - log10 %T A = log10 100 / %T All are correct A = log10 1 / T A = 2 - log10 %T ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following is not an IR vibrational mode? Rocking Stretching Rolling Scissoring Rocking Stretching Rolling Scissoring ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following components of a monochromator is the dispersing element? The entrance slit The collimating lens The diffraction grating None of these The entrance slit The collimating lens The diffraction grating None of these ANSWER DOWNLOAD EXAMIANS APP
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