Spectroscopic Methods of Pharmaceutical Analysis

Question 1

Is a form of energy whose behavior is described by the properties of both waves and particles

Answer 1

Electromagnetic radiation (EMR)/Light

Question 2

Refers to the time required for one cycle to pass a fixed point in space

Answer 2

Period (p)

Question 3

Refers to the number of oscillations of an electromagnetic wave per second

Answer 3

Frequency

Question 4

Refers to the distance between any two consecutive maxima or minima of an electromagnetic wave

Answer 4

Wavelength

Question 5

Refers to the reciprocal of wavelength

Answer 5

Wavenumber

Question 6

Refers to the flux of energy per unit time

Answer 6

Power (P)

Question 7

Refers to the flux of energy per unit time per area

Answer 7

Intensity (I)

Question 8

Refers to the maximum length of the electric vector in a wave (the maximum height of the wave)

Answer 8

Amplitude

Question 9

A particle of light carrying an amount of energy equal to hv

Answer 9

Photon

Question 10

The measurement of the attenuation of photons because of absorption

Answer 10

Absorbance

Question 11

__________ of a photon occurs when an analyte in a higher-energy state returns to a lower-energy state

Answer 11

Emission

Question 12

Emission following the absorption of a photon is called __________

Answer 12

Photoluminescence

Question 13

Emission following a chemical reaction is called __________

Answer 13

Chemiluminescence