Which Statement About Accretion Disks Is Not True

question 54

Multiple Choice

Which statement about accretion disks is not true?

• A) The primary factor determining whether a white dwarf has an accretion disk is the white dwarf's mass.
• B) The gas in the inner parts of the disk travels faster than the gas in the outer parts of the disk.
• C) The gas in the inner parts of the disk is hotter than the gas in the outer parts of the disk.
• D) Accretion disks are made primarily of hydrogen and helium gas.

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Definitions:

CRTs

Cathode Ray Tubes, a technology used in traditional television and computer screens that projects images by directing a beam of electrons onto a phosphorescent screen.

MAC Address

A hardware identification number that uniquely identifies each device on a network, ensuring that data packets reach the correct destination.

Wireless Access Point

A device that receives and transmits data from multiple computers that have wireless NICs installed. The access point can be a standalone unit or can be integrated into an ADSL router.

Safety Googles

Protective eyewear that completely covers the eyes, eye sockets, and the surrounding area to protect from dust, water, or chemicals.