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Plasma physics
Contributed by: Jordan
  • 1. Plasma physics is a branch of physics that studies the behavior of ionized gases, known as plasmas. Plasmas are considered the fourth state of matter, alongside solids, liquids, and gases. They are composed of charged particles that exhibit collective behavior, such as electromagnetic interactions and self-organization. Plasma physics plays a crucial role in understanding phenomena such as fusion energy, astrophysical processes, and space environments. Researchers in this field study plasma properties, interactions, and applications in fields ranging from fusion research to semiconductor manufacturing.

    What is the fourth state of matter?
A) Plasma
B) Gas
C) Liquid
D) Solid
  • 2. What does ionization refer to in plasma physics?
A) Process of adding or removing electrons
B) Energy level
C) Mass number
D) Atomic number
  • 3. What is a plasma instabilities?
A) Uniform plasma density
B) Enhancement of plasma properties
C) Stable plasma state
D) Fluctuations that disrupt plasma equilibrium
  • 4. What is Alfven wave?
A) Optical wave
B) Radio wave
C) Sound wave
D) Magnetohydrodynamic wave in plasma
  • 5. What is Hall effect in plasma physics?
A) Generation of electric field perpendicular to current and magnetic field
B) Heat conduction
C) Hallway obstruction
D) Light refraction
  • 6. What is a Penning trap in plasma physics?
A) Thermal generator
B) Device for storing charged particles using magnetic and electric fields
C) Plasma reactor
D) Particle accelerator
  • 7. What is the most abundant element in the Sun's plasma?
A) Carbon
B) Hydrogen
C) Helium
D) Oxygen
  • 8. Which phenomena in the Sun is primarily studied using plasma physics?
A) Solar flares
B) Galactic rotation
C) Moon phases
D) Planetary orbits
  • 9. What is a plasma torch?
A) Plasma cooling unit
B) Plasma containment system
C) Device for generating high-temperature plasma
D) Plasma wave transmitter
  • 10. What is Thomson scattering in plasma physics?
A) Neutron scattering
B) Atomic scattering
C) X-ray scattering
D) Scattering of electromagnetic waves by plasma electrons
  • 11. What is the Bohm diffusion in plasma physics?
A) Particle acceleration
B) Plasma sheath formation
C) Plasma cooling
D) Radial diffusion of plasma particles in a magnetic field
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