9. Quantum Mechanics
Electromagnetic Spectrum
9. Quantum Mechanics
Electromagnetic Spectrum - Video Tutorials & Practice Problems
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Get a 10 bullets summary of the topicThe Electromagnetic Spectrum is the different forms of radioactive energy that exists in our universe.
Examining the Electromagnetic Spectrum
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concept
Electromagnetic Spectrum
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example
Electromagnetic Spectrum Example 1
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Electromagnetic Spectrum
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Problem
ProblemWhich of the following sources of electromagnetic radiation will have the highest frequency?
A
Visible Light (λ = 595 nm)
B
Visible Light (ΔE = 4.39 x 10-19 J)
C
Visible Light (λ = 690 nm)
D
Visible Light (ν = 4.11 x 1015 s-1)
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Problem
ProblemA carbon–oxygen double bond within a sugar molecule absorbs electromagnetic radiation at a frequency of 6.0 x 1012 s-1. What portion of the electromagnetic spectrum does this represent?
A
Radio Waves
B
Micowave
C
Infrared
D
Green Light
E
Gamma Ray
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Problem
ProblemX-Ray detectors are devices that use scintillators to convert X-rays into light in order to detect X-Rays indirectly. Which of the following would be picked up by an X-Ray detector:radiation with a wavelength of 0.85 nm or a frequency of 6.52 x 1011 s-1?
A
radiation with a wavelength of 0.85 nm
B
radiation with a frequency of 6.52 x 1011 s-1
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PRACTICE PROBLEMS AND ACTIVITIES (39)
- A popular kitchen appliance produces electromagnetic radiation with a frequency of 2450 MHz. With reference to...
- A popular kitchen appliance produces electromagnetic radiation with a frequency of 2450 MHz. With reference t...
- A popular kitchen appliance produces electromagnetic radiation with a frequency of 2450 MHz. With reference to...
- The figure shows the three lowest regions of Earth's atmo- sphere. (d) An aurora borealis is due to excitatio...
- Stars do not all have the same temperature. The color of light emitted by stars is characteristic of the light...
- The familiar phenomenon of a rainbow results from the diffraction of sunlight through raindrops. (a) Does the ...
- Label each of the following statements as true or false. For those that are false, correct the statement. (a) ...
- Label each of the following statements as true or false. For those that are false, correct the statement. (c)...
- Label each of the following statements as true or false. For those that are false, correct the statement. (b)...
- Determine which of the following statements are false and correct them. Determine which of the following state...
- Arrange the following kinds of electromagnetic radiation in order of increasing wavelength: infrared, green li...
- The wavelength at which the O2 molecule most strongly absorbs light is approximately 145 nm. (a) In which regi...
- A laser pointer used in a lecture hall emits light at 650 nm. Using Figure 6.4, predict the color associated w...
- The ultraviolet spectrum can be divided into three regions based on wavelength: UV-A (315–400 nm), UV-B (280–3...
- It is possible to convert radiant energy into electrical energy using photovoltaic cells. Assuming equal effic...
- (c) Which wave represents yellow light, and which represents infrared radiation?
- The energy from radiation can be used to rupture chemical bonds. A minimum energy of 192 kJ/mol is required t...
- A diode laser emits at a wavelength of 987 nm. (a) In what portion of the electromagnetic spectrum is this ra...
- A stellar object is emitting radiation at 3.0 mm. (a) What type of electromagnetic spectrum is this radiation ...
- Which has the higher frequency, red light or violet light? Which has the longer wavelength? Which has the grea...
- An important reaction in the formation of photochemical smog is the photodissociation of NO : NO2 + hv → NO(g)...
- Which has the higher frequency, infrared light or ultraviolet light? Which has the longer wavelength? Which ha...
- The Hubble Space Telescope detects electromagnetic energy in the wavelength range 1.15 * 10-7 m to 2.0 * 10-6 ...
- The nearest star to our sun is Proxima Centauri, at a distance of 4.3 light-years from the sun. A light-year i...
- List these types of electromagnetic radiation in order of (ii) increasing energy per photon. a. radio waves ...
- The Green Bank Telescope in West Virginia—the world's largest steerable radio telescope—detects frequencies fr...
- List these types of electromagnetic radiation in order of (i) increasing frequency and (ii) decreasing energy ...
- One of the emission lines of the hydrogen atom has a wavelength of 94.974 nm. (a) In what region of the electr...
- (c) What type of electromagnetic radiation are these photons?
- (c) What is the color of the light with = 450 nm?
- The human retina has three types of receptor cones, each sensitive to a different range of wavelengths of vis...
- A photovoltaic cell contains a p–n junction that converts solar light to electricity. (a) Silicon semiconduct...
- A photovoltaic cell contains a p–n junction that that converts solar light to electricity. An optimum semicon...
- Wide band-gap semiconductors have a band gap between 2 and 7 electron volts (eV), where 1 eV = 96.485 kJ>mo...
- Fill in the blanks with the appropriate region of electromagnetic radiation: UV, visible, infrared. (a) The Su...
- Why do the Earth and Sun have different emission spectra?
- Arrange the following kinds of electromagnetic radiation in order of increasing wavelength: infrared, green li...
- Decreasing energy
- Place the following types of electromagnetic radiation in order of increasing wavelength (shortest at the top ...