Spectroscopy A simple harmonic oscillator may absorb energy when the frequencies match exactly when the amplitudes are the same. at no time. at anytime. when the frequencies match exactly when the amplitudes are the same. at no time. at anytime. ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Beer's Law states that absorbance is equal to P0 / P absorbance is proportional to both the path length and concentration of the absorbing species None of these absorbance is proportional to the log of the concentration of the absorbing species absorbance is equal to P0 / P absorbance is proportional to both the path length and concentration of the absorbing species None of these absorbance is proportional to the log of the concentration of the absorbing species ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy UV-Vis spectroscopy of organic compounds is usually concerned with which electronic transition(s)? σ → σ* n → π* and π → π* none of these n → σ* σ → σ* n → π* and π → π* none of these n → σ* ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following relationships between absorbance and %transmittance is incorrect? A = log10 100 / %T A = log10 1 / T All are correct A = 2 - log10 %T A = log10 100 / %T A = log10 1 / T All are correct A = 2 - log10 %T ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Molar absorbtivity is the measure of the amount of light absorbed per unit concentration None of these amount of light reflected and absorbed per unit concentration amount of light absorbed per unit length amount of light absorbed per unit concentration None of these amount of light reflected and absorbed per unit concentration amount of light absorbed per unit length ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following will oscillate the fastest? A small mass on a weak spring A small mass on a stiff spring A large mass on a stiff spring A large mass on a weak spring A small mass on a weak spring A small mass on a stiff spring A large mass on a stiff spring A large mass on a weak spring ANSWER DOWNLOAD EXAMIANS APP