AND ANSWERS WITH SOLUTIONS 2024
Acceleration - ANSWER The rate of change of velocity
Accurate result - ANSWER A result that is close to the true answer
Apha decay - ANSWER A type of decay in which an unstable nucleus of an atom emits an alpha particle
Alternating current - ANSWER A current that changes with time in a regular cycle
Ammeter - ANSWER A component used to measure the current flowing through a circuit
Amplitude - ANSWER The maximum displacement of a wave
Angle of incidence - ANSWER The angle that incoming light makes to the normal or a boundry
Angle of refraction - ANSWER The angle that incoming light makes to the normal of a boundary
Annihilation - ANSWER The process by which a particle and its antiparticle meet and their mass gets
converted to energy in the form of a pair of gamma ray photons
Anomalous result - ANSWER A result that doesn't fit in with the pattern of the other results in a set of
data
Antimatter - ANSWER The name given to all antiparticles
Antineutrino - ANSWER The antiparticle of a neutrino
, Antiparticle - ANSWER A particle with the same rest mass and energy as its corresponding particle but
equal and opposite charge
Atom - ANSWER A particle made up of protons and neutrons in a central nucleus and electrons orbiting
the nucleus
Atomic number - ANSWER The number of protons in an atom of an element
Baryon - ANSWER A type of hardon made up of three quarks
Baryon number - ANSWER The number of baryons in a particle
Beta-minus decay - ANSWER A type of decay in which an unstable nucleus of an atom emits a beta-
minus particle (an electron) and an antineutrino
Breaking stress - ANSWER The lowest stress that is big enough to break a material
Brittle - ANSWER A brittle material doesn't deform plastically but snaps when the stress on it reaches a
certain point `
Brittle fracture - ANSWER When a stress app;lied to a brittle material causes tiny cracks at the materials
surface to get bigger until the material breaks completely
Categoric data - ANSWER Data that can be sorted into categories
Center of mass - ANSWER The point which you can consider all of an object's weight to act through
Circuit symbol - ANSWER A pictorial representation of an electrical component
Coherent - ANSWER Sources that have the same wavelength and frequency and a fixed phase difference
between them are coherent