Physics Concepts Flashcards

Front

Change of velocity per second (in metres per second per second, m/s²).

Back

Acceleration

Front

The number of unstable atoms that decay per second in a radioactive source.

Back

Activity

Front

Alpha particles, each composed of two protons and two neutrons, emitted by unstable nuclei.

Back

Alpha radiation

Front

Electric current in a circuit that repeatedly reverses its direction.

Back

Alternating current

Front

An alternating current generator.

Back

Alternator

Front

The height of a wave crest or trough of a transverse wave from the rest position.

Back

Amplitude

Front

Angle between the incident ray and the normal.

Back

Angle of incidence

Front

Angle between the reflected ray and the normal.

Back

Angle of reflection

Front

The number of protons (which equals the number of electrons) in an atom.

Back

Atomic number

Front

Beta particles that are high-energy electrons created in, and emitted from, unstable nuclei.

Back

Beta radiation