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