Luminous - Study guides, Class notes & Summaries

CHEM 161 Exam Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct Contents 1 CHEM 161 Lecture 1 Answers 2 Chem 161 Lecture 2 Answers 3 Chem 161 Lecture 3 Answers 4 Chem 161 Lecture 4 5 Chem 161 Lecture 5 Answers 6 Chem Lecture 6 Answers 7 Chem 161 Lecture 7 Answers 8 Chem 161 Equations 9 Chem 161 Compounds 10 Chem 161 Polyatomic Ions 11 CHEM 161 EXAM 1 Answers 12 CHEM 161 EXAM 2 Answers 13 Chem 161 Final Exam Answs 14 Chem & 161 Course Overview 14.1 Learnin...

Absolute Temperature. correct answers A temperature measured in Kelvins (K) or Rankines (R). Accelerant. correct answers A fuel or oxidizer, often an ignitible liquid, intentionally used to initiate a fire or increase the rate of growth or spread of fire. Accident. correct answers An unplanned event that interrupts an activity and sometimes causes injury or damage or a chance occurrence arising from unknown causes; an unexpected happening due to carelessness, ignorance, and the like. Am...

What is planet Earth's diameter? - -nearly 13,000km What is our moon's diameter compared to Earth's? - -our moon is 1/4 size diameter of our Earth scientific notation - -system of recording very large or very small numbers using powers of 10 ex: 380,000=3.8 x 10⁵ planet - -non self-luminous body orbiting the Sun or another star that has strong enough gravity to compress it into a spheroidal shape and to have cleared its orbital zone of debris dwarf planet - -massive enough to be compress...

A hydrogen atom that has been photoionized is _____. - ️️An ion, a proton, and positively charged. A main sequence O star will have a ___ temperature, a ____ radius, a ____ luminosity and a ____ absolute magnitude than a main sequence G star like the Sun. - ️️larger, larger, larger, smaller A star that is 50 pc away will show a parallax of _____. - ️️.02 arc secs A star with T=10,000 K (spectral type A) shows strong absorption lines from _______. - ️️neutral hydrogen (H I) ac...

A carbon dioxide concentration of 400 parts per million (ppm) means that carbon dioxide represents ________ of Earth's atmosphere. - ️️less than 0.1% A habitable world is defined to be one that - ️️has conditions suitable for life A star less luminous than our Sun will have a habitable zone that is - ️️narrower and closer to the star than the habitable zone of the Sun A UFO is - ️️an unidentified object seen in the sky A wormhole is a - ️️shortcut between two distant par...

BUILDING UTILITIES COMPRE EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 "Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium " - answerSound A healthy pair of human ear has a detection range of. - answer20 to 20000 HZ Sound travels in air, at sea level, in ____ m/sec. - answer344 m/ sec. "The number of times the cycle of compression and rarefaction of air makes in a given unit of time. " - answerFrequency "Is the persistence of sound a...

A digital display device with higher megapixels has better spatial resolution A. True B. False correct answers True An advantage to viewing the AMLCD screen is that the image quality is equally good viewed from any anlge A. True B. False correct answers False A liquid crystal is a material in a___ state A. Liquid B. State between a liquid and a gaseous state C. Solid D. State between a liquid and a solid state correct answers D. State between liquid and a solid state A___ test t...

FIELD OF VIEW correct answers The area visible in an image. Usually given as the diameter of the region. HOW LARGE IS THE FIELD OF VIEW? correct answers 1 mile wide or 1.6 km wide WHAT TYPE OF SYSTEM DO ALL SCIENTISTS USE TO MEASURE SIZES? correct answers The metric system. What is the SI unit of force? correct answers The newton named after Isaac newton What is the SI unit of energy? correct answers Joule (J) How is density expressed in Si units? correct answers Kilograms per cub...

Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 1. A high-luminosity star ... A: is always at a larger distance than a low-luminosity star B: emits more light than a low-luminosity star C: is always redder than a star with a lower luminosity D: is at a lower temperature than a low-luminosity star E: is always at a smaller distance than a low-luminosity star 2. If a red giant appears the same brightness as a red main sequence star, which one is farther away? A:...

Astro 1 PSU Exam QUESTIONS WITH COMPLETE SOLUTIONS Which is the smallest object? - CORRECT ANSWER -A neutron star A galaxy has an H-alpha emission line observed at a wavelength 10 percent larger than the rest wavelength of H-alpha. What is the redshift of the galaxy? - CORRECT ANSWER -0.1 What is in this image? - CORRECT ANSWER -Supernova remnant Which is the most luminous? - CORRECT ANSWER -Quasar Which contains the most stars? - CORRECT AN...