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26 Cards in this Set
- Front
- Back
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Both sound waves and electromagnetic radiation? |
Transfer energy |
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Which statement gives the relationship between the waves in the electric and magnetic fields in an electromagnetic wave? |
They are in a phase but perpendicular to each other in space |
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An electron that collides with an atom will? |
Change its electric charge |
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According to the modern theory of radiation,light can be described as being? |
Both a wave and a particle |
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What determines the color of light? |
Both a frequency and wavelength |
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Electromagnetic radiation? |
Can behave both as a wave and as a particle |
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Compared to red light, blue wavelengths of visible light travel |
At the same speed |
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Which of these is constant for ALL types of electromagnetic radiation in a vacuum? |
Velocity |
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How quickly is one charge influenced by the change in the electromagnetic field |
At the speed of light |
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Compared with ultraviolet radiation, infrared radiation has a greater |
Wavelength |
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Compared with red light blue wavelengths of visible light travel |
At the same speed |
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If a waves frequency doubles, it's wavelength |
Is halved |
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Which type of radiation has the shortest wavelength |
Gamma rays |
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As light passes through a prism which color will bend the most? |
Violet |
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Which type of radiation has the longest wavelength |
Radio |
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A waves velocity is the product of |
Amplitude times the wavelength of the wave |
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The number of waves passing the observer per second is |
The frequency in hertz |
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According to weins law, the surface temperature is increased by a factor of 3, it's peak wavelength will |
Decrease by a factor 2 |
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Star A has a temperature 1/4 that of star B both star A and B are the same physical size. Which statement is correct |
Star A is redder and brighter than star B |
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To see the suns hot Corona 1,000,000 which part of electromagnetic spectrum |
The xray |
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Increasing the temp of a black body by a factor of 2 will increase the energy by |
32 |
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What is true of a blackbody |
It's energy peaks at the wavelength determined by temperature |
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The light from an object moving tangential will exhibit |
No shift |
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The dopler effect is a phenomenon that allows one to measure an objects |
Radial motion |
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A dim young star like her big Haro 68 emit most of its light in which part of the electromagnetic motion |
Radio |
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Stefan law says |
That if the suns temp |
