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Electromagnetic Radiation (College)

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Electromagnetic Radiation

Which range of wavelength is involved in the visible spectrum?
  1. [math]10^-12 m[/math]
  2. [math]4 xx 10^-7 "m to 7" xx 10^-7 m [/math]
  3. [math]10^-2 m[/math]
  4. [math]10^4 m[/math]
Which wavelength scale is associated with atomic nuclei?
  1. X-ray
  2. ultraviolet
  3. gamma
  4. radio
Which wavelength of radiation is harmful to humans and can be ameliorated by the presence of ozone in the atmosphere?
  1. [math]10^-12 m[/math]
  2. [math]10^-4 m[/math]
  3. [math]1 m[/math]
  4. [math]10^-8 m[/math]
Which form of electromagnetic radiation is associated with the bright-line spectra of hydrogen atoms?
  1. Infrared Radiation
  2. X-Ray
  3. Gamma Ray
  4. Microwave
Which of the following equations correctly relates the different factors considered on the electromagnetic spectrum?
  1. [math]E=hclambda[/math]
  2. [math]E={hv}/{lambda}[/math]
  3. [math]E={hv}/{c}[/math]
  4. [math]E={hc}/{lambda}[/math]
In going from gamma rays to microwaves, how do wavelength and energy change?
  1. Wavelength and energy both increase
  2. Wavelength and energy both decrease
  3. Wavelength decreases, while energy increases
  4. Wavelength increases, while energy decreases
Which of the following correctly describes the changes in frequency and energy, in moving from radio waves to gamma rays?
  1. Energy and frequency both decrease
  2. Energy and frequency both increase
  3. Energy increases, and frequency decreases
  4. Energy decreases, and frequency increases
Which of the following methods can be used to analyze crystalline solids?
  1. X-Ray Diffraction
  2. IR spectroscopy
  3. FTIR spectroscopy
  4. Paper Chromatography
Calculate the energy of a photon with a wavelength of 850 nm. Show your work.

UV-Vis spectroscopy provides a viable means by which to analyze specific substances' absorbance values, based on a scale of [math]4xx10^-7 "m to" 10^-8 "nm"[/math].
  1. True
  2. False

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