Physics Definitions
@LCPhysicsDef
Tweeting all the definitions from the Leaving Cert physics course!
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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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