SPECTROSCOPY

Question 1

based on the absorption of photons by the analyte.

Answer 1

Spectrometry

Question 2

The energy of ultimately indivisible unit of radiation

Answer 2

Photon

Question 3

patterns of absorption and/or emission

Answer 3

Spectra

Question 4

The field of _____ is concerned with the interpretation of spectra in terms of atomic and molecular structure

Answer 4

Spectroscopy

Question 5

the distance of one complete cycle

Answer 5

wavelength

Question 6

the number of cycles passing a fixed point per unit time.

Answer 6

frequency

Question 7

reciprocal of the wavelength and the number of waves in a unit length or distance per cycle. another way to describe electromagnetic radiation.

Answer 7

wavenumber

Question 8

is the energy of a beam that reaches a given area per unit time (in WATTS)

Answer 8

Radiant Power

Question 9

is the radiant power-per-unit solid angle

Answer 9

intensity

Question 10

is an instrument that measures the amount of photons absorbed after it passes through sample solution.

Answer 10

spectrophotometer

Question 11

uses light over the ultraviolet range (185 - 400 nm) and visible range (400 - 700 nm) of electromagnetic
radiation spectrum.

Answer 11

UV-Spectrophotometer

Question 11

Two Types of Spectrometer

Answer 11

1. UV-Spectrophotometer
2. IR-Spectrophotometer

Question 12

uses light over the infrared range (700 - 15000 nm) of electromagnetic radiation spectrum.

Answer 12

IV-Spectrophotometer