Chemistry In Focus

7th Edition
Tro + 1 other
ISBN: 9781337399692



Chemistry In Focus

7th Edition
Tro + 1 other
ISBN: 9781337399692
Textbook Problem

Classify each of the following lasers as to type (solid-state, gas, dye, or semiconductor), and list its wavelength (include the region of the spectrum to which each wavelength corresponds):

a. Nd:YAG

b. helium-neon

c. argon ion

d. carbon dioxide

Interpretation Introduction


Type of laser, spectrum region, and the wavelength corresponding to the spectrum is to be classified.

Concept introduction:

The distance between two consecutive crests of a wave of light is called the wavelength of light.

The arrangement of light according to the wavelength associated with it is called a spectrum.

Anything that has mass and occupies space is matter. Atom is the smallest unit of matter. There are three states of matter: solid, liquid and gas.


Since ND:YAG is found in solid state and wavelength is 1064nm, which falls under the infrared region.

Helium-neon and argon ions are found in the gaseous state and their wavelengths are 632.7nm

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