Exam 7: Light and Color

Which of these is not an application of gas lasers?

Visible light ranges in wavelength from 400 ____ − 780 ____. The missing units are:

Which category of laser utilizes organic substance  in a liquid solution?

Which of these processes is\are responsible for the breaking of bonds within a molecule? I. Photodecomposition II. Fluorescence III. Emission of heat

The processes by which an excited electron returns to its ground state with the emission of energy is known as ____.

Which of these is not an application of lasers?

Which of these statements is\are  true ? I. As wavelength increases frequency decreases. II. As energy increases frequency decreases. III. As wavelength increases energy decreases. IV. The product of wavelength and frequency is constant.

Which of these is the correct expansion of the acronym LASER?

Which of these forms of electromagnetic radiation can contribute to an increased risk of cancer? I. Gamma rays II. Infrared III. Ultraviolet IV. Microwaves

Which of these is not a medical application of lasers?

The key to obtaining an image, like in MRI, as opposed to a graph, like in NMR, is in creating:

What type of laser is the argon ion laser?

Which of these scientists is credited with the discovery of x-rays?

Which of these is an application of lasers?

Which of these is not an advantage of a laser scalpel?

Which category of laser is usually the smallest?

Arrange these spectral regions in order of increasing energy  (infrared, microwaves, ultraviolet, visible).

The speed of light is 3.0 x 10⁸ ____.

Which of these is not a characteristic of light?

The emission of light by the relaxation of excited electrons is known as ____.