# Electromagnetic Radiation (College)

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## Electromagnetic Radiation

1.

Which range of wavelength is involved in the visible spectrum?

- [math]10^-12 m[/math]
- [math]4 xx 10^-7 "m to 7" xx 10^-7 m [/math]
- [math]10^-2 m[/math]
- [math]10^4 m[/math]

2.

Which wavelength scale is associated with atomic nuclei?

- X-ray
- ultraviolet
- gamma
- radio

3.

Which wavelength of radiation is harmful to humans and can be ameliorated by the presence of ozone in the atmosphere?

- [math]10^-12 m[/math]
- [math]10^-4 m[/math]
- [math]1 m[/math]
- [math]10^-8 m[/math]

4.

Which form of electromagnetic radiation is associated with the bright-line spectra of hydrogen atoms?

- Infrared Radiation
- X-Ray
- Gamma Ray
- Microwave

5.

Which of the following equations correctly relates the different factors considered on the electromagnetic spectrum?

- [math]E=hclambda[/math]
- [math]E={hv}/{lambda}[/math]
- [math]E={hv}/{c}[/math]
- [math]E={hc}/{lambda}[/math]

6.

In going from gamma rays to microwaves, how do wavelength and energy change?

- Wavelength and energy both increase
- Wavelength and energy both decrease
- Wavelength decreases, while energy increases
- Wavelength increases, while energy decreases

7.

Which of the following correctly describes the changes in frequency and energy, in moving from radio waves to gamma rays?

- Energy and frequency both decrease
- Energy and frequency both increase
- Energy increases, and frequency decreases
- Energy decreases, and frequency increases

8.

Which of the following methods can be used to analyze crystalline solids?

- X-Ray Diffraction
- IR spectroscopy
- FTIR spectroscopy
- Paper Chromatography

9.

Calculate the energy of a photon with a wavelength of 850 nm. Show your work.

10.

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].

- True
- False

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