Multiple Choice
Interstellar space (the space between the stars) is filled with extremely low-density hydrogen gas.In the vicinity of a hot star,this gas can be heated to a very high temperature.This hot,low-density gas will:
A) emit light at specific wavelengths characteristic of hydrogen.
B) emit light at all wavelengths in a blackbody spectrum, with emission lines characteristic of hydrogen superimposed on the spectrum.
C) emit light at all wavelengths in a blackbody spectrum characteristic of a hot gas.
D) reflect light at specific wavelengths characteristic of hydrogen.
Correct Answer:
Verified
Correct Answer:
Verified
Q92: If a certain gas is heated and
Q93: Which wavelength region of the electromagnetic spectrum
Q152: What is the purpose of the glass
Q175: An ideal blackbody in physics and astronomy
Q309: The PRIMARY reason for spreading many radio
Q311: If two photons in a vacuum have
Q312: The four fundamental forces in nature include
Q315: By bombarding atoms in a thin metal
Q316: Atoms of hot hydrogen gas will emit
Q317: A particular photon has a wavelength of