Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? Because if it wasn't, the lamp would bum out All of these 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 Because if it wasn't, the lamp would bum out All of these 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 relationships between absorbance and %transmittance is incorrect? All are correct A = log10 100 / %T A = 2 - log10 %T A = log10 1 / T All are correct A = log10 100 / %T A = 2 - log10 %T A = log10 1 / T ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy In the equation, A = ε bc, what quantity is represented by "ε"? Path length None of these Absorbtivity Molar absorbtivity Path length None of these Absorbtivity Molar absorbtivity ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following will oscillate the fastest? A small mass on a stiff spring A small mass on a weak spring A large mass on a weak spring A large mass on a stiff spring A small mass on a stiff spring A small mass on a weak spring A large mass on a weak spring A large mass on a stiff spring ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy A simple harmonic oscillator may absorb energy when the amplitudes are the same. at anytime. at no time. when the frequencies match exactly when the amplitudes are the same. at anytime. at no time. when the frequencies match exactly ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy UV-Vis spectroscopy of organic compounds is usually concerned with which electronic transition(s)? n → σ* σ → σ* none of these n → π* and π → π* n → σ* σ → σ* none of these n → π* and π → π* ANSWER DOWNLOAD EXAMIANS APP