Spectroscopy UV-Vis spectroscopy of organic compounds is usually concerned with which electronic transition(s)? n → π* and π → π* n → σ* none of these σ → σ* n → π* and π → π* n → σ* none of these σ → σ* ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Molar absorbtivity is the measure of the amount of light reflected and absorbed per unit concentration amount of light absorbed per unit concentration amount of light absorbed per unit length None of these amount of light reflected and absorbed per unit concentration amount of light absorbed per unit concentration amount of light absorbed per unit length None of these ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? All of these Because if it wasn't, the lamp would bum out Because the lamp will only function at a specific voltage Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage All of these Because if it wasn't, the lamp would bum out Because the lamp will only function at a specific voltage Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following components of a monochromator is the dispersing element? The entrance slit The collimating lens None of these The diffraction grating The entrance slit The collimating lens None of these The diffraction grating ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy A simple harmonic oscillator may absorb energy when the amplitudes are the same. at no time. when the frequencies match exactly at anytime. when the amplitudes are the same. at no time. when the frequencies match exactly at anytime. ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy In the equation, A = ε bc, what quantity is represented by "ε"? Path length Absorbtivity None of these Molar absorbtivity Path length Absorbtivity None of these Molar absorbtivity ANSWER DOWNLOAD EXAMIANS APP
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