Gases
Electron Beams
Nuclear Radiation
Fundamental Particles
Particle Accelerators
100
-273
What is the lowest temperature possible on the celsius scale?
100
Thermionic emission
What is the name given to the process by which electrons are boiled off from a hot cathode?
100
Neutron
What is a particle that doesn't ionise atoms?
100
Murray Gell-Mann
What is the name of the physicist who suggested that protons and neutrons were made up of quarks?
100
Electrostatic field
What is the field that accelerates charged particles?
200
Boyle's Law
What is the law that states that pressure and volume are inversely proportional at constant temperature?
200
more electrons produced
What is the effect of increasing the filament voltage?
200
Annihilation
What is the name given to the process that occurs when a positron meets an electron?
200
up, down, top, bottom, charm and strange
What are the 6 different quarks called?
200
Magnetic field.
What is the name of the field that causes charged particles to move in a circle?
300
Charles's Law
What is the law that states that volume and kelvin temperature are proportional for constant pressure?
300
voltage and time
What are the two quantities that oscilloscopes can measure?
300
Beta minus particle (electron)
What is the particle emitted by the nucleus of atoms with too many neutrons?
300
Leptons
What is the name given to the family of fundamental particles to which electrons and positron belong?
300
cyclotron.
What is the name of the particle accelerator used to make positron emitters in hospitals?
400
Average Kinetic Energy of the molecules of a gas
What is proportional to the Kelvin temperature?
400
A phospor
What is the chemical used to coat the TV screen which gives light when struck by electrons?
400
Iron
What is the most stable element?
400
Hadrons
What is the name given to the family of particles to which protons and neutrons belong?
400
ATLAS
What is the name of a detector in the large hadron collider?
500
248 K
What is the temperature in Kelvin of -25 celsius?
500
Tungsten.
What is the metal used as a target in an X-ray machine?
500
A positron
What emitted by nuclei with too few neutrons?
500
The Higg's boson
What is the particle that scientist's are still searching for that may give other particles mass?
500
Tim Berners-Lee
What is the name of the CERN physicist who invented the world-wide web?
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