alleryStart learning →Home › Astronomy Olympiad › Astronomy › Radiation and Spectra › As an object is heated, the motion of its atoms …
As an object is heated, the motion of its atoms and molecules becomes:
AMore random
BMore regular
CMore rapid
DMore rigid
Answer & Solution
Correct answer: C. More rapid
1. Temperature measures internal motion.
2. Heating speeds that motion up.
3. So the motion becomes more rapid.
_Source: OpenStax Astronomy 2e, Chapter 5, Radiation and Spectra._
Related questions
The Doppler effect responds only to the part of a star's motion that is:A star moving away from us has its spectral lines shifted towards the:A hot thin gas seen with no bright source behind it shows bright:A thin cool gas in front of a hot source produces dark lines known as:White sunlight passed through a prism spreads into a rainbow band called a:The Stefan law says the energy flux of a blackbody depends on temperature raised to the poAstronomers give stellar temperatures on which scale?Two stars differ in colour. The blue one, compared with the red one, is: