Physics Definitions
@LCPhysicsDef
Tweeting all the definitions from the Leaving Cert physics course!
well if we ALL do badly in our exams all the points for courses will have to come down! ....right? 😁
For the physics kids @LCPhysicsDef , another account to make procrastinating somewhat educational 👍
Longitudinal wave: A wave whose direction of vibration is parallel to the direction the wave is travelling.
Lever: A rigid body which is free to rotate about a fixed point called a fulcrum.
Kinetic energy: The energy a body possess by virtue of its motion.
Joule’s Law: The heat power loss in a circuit is directly proportional to the square of the current flowing.
Isotope: Atoms of that same element that have different mass numbers. They have different amounts of neutrons.
Interference: The addition or combination of waves, it can be either destructive or constructive.
Heat: Energy transfer from one place to another due to a temperature difference.
Harmonic: A wave whose vibration is a whole multiple of the fundamental frequency.
Half life: The time taken for half of the undecayed atoms undergo a decay in a radioactive isotope.
Fundamental frequency: The lowest possible vibration of a stationary wave.
Friction: The force that opposes the sliding of surfaces in contact.
Frequency: The number of oscillations or cycles passing a point per second.
Forward bias: When a diode is connected to a battery so that current flows.
Force: Anything that causes the velocity of an object to change.
Focal Length: The distance for the focal point to the mirror.
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