Test
Chapter 3
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Preguntas del test (10)
1Compared with ultraviolet radiation, infrared radiation has a greater...
- Awavelength
- Bamplitude
- Cfrequency
- Denergy
2An electron that collides with an atom will...
- Acease to have an electric field
- Bproduce an electromagnetic wave
- Cchange its electric charge
- Dbecome magnetized
3An X-ray telescope located in Antarctica would not work well because of...
- Athe extreme cold
- Bthe ozone hole
- Ccontinuous daylight
- DEarth's atmosphere
4Stefan's law says that if the Sun's temperature were to double, its energy emission would...
- Abecome half its present value
- Bdouble
- Cincrease four times
- Dincrease 16 times
5A star much cooler than the Sun would appear...
- Ared
- Bblue
- Csmaller
- Dlarger
6The blackbody curve of a star moving toward Earth would have its peak shifted...
- Atoward higher energies
- Bto a higher intensity
- Ctoward longer wavelengths
- Dto a lower intensity
7According to Wien's law, the hottest stars also have...
- Athe shortest peak wavelength
- Bthe longest peak waelenth
- Cmaximum emission in the infrared region of the spectrum
- Dthe largest diameters
8Compared with the red light, blue wavelengths of visible light travel...
- Aat the same speed
- Bfaster
- Cslower
9According to figure 3.8, the wavelength of green light is about the size of...
- Aa bacterium
- Ban atom
- Ca fingernail
- Da skyscraper
10In figure 3.11, an object at 1000 K emits mostly...
- Ainfrared light
- Bred light
- Cmultiple green light
- Dblue light
Información
- Descripción
- Astronomy Test sobre Chapter 3, creado por Ashlee Swanson el 10/09/2017.
- Autor
- Ashlee Swanson
- Idioma
- English
- Visitas
- 0
- Etiquetas
- Valoración
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