Spectroscopy
Which of the following relationships between absorbance and %transmittance is incorrect?

A = 2 - log10 %T
All are correct
A = log10 1 / T
A = log10 100 / %T

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 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

ANSWER DOWNLOAD EXAMIANS APP

Spectroscopy
Vibrational spectroscopy is

a flashlight through a prism and shake it
an Infrared spectroscopy
a class of spectroscopic techniques which analyzes molecular motions
a large mass on a weak spring

ANSWER DOWNLOAD EXAMIANS APP