OCR PHYSICS P5-8 Key Words 0.0 / 5 ? PhysicsUnits: P5,P6,P7,P8 of the OCR Physics courseGCSEOCR Created by: SamuelTyeCreated on: 14-07-17 16:38 Wavelength The distance from one point on a wave to the equivalent point on the wave 1 of 28 Amplitude The maximum displacement of a point from its undisturbed position 2 of 28 Frequency Number of waves passing through a point in a certain amount of time 3 of 28 Transverse Wave A wave where the nerdy transferred is at right angle to the direction of the wave 4 of 28 Longitudinal Waves A wave where the direction is parallel to the energy transfer and has compressions & rarefactions 5 of 28 Compression Squashed together air particles 6 of 28 Rarefaction Spread out air particles 7 of 28 Ultrasound A sound wave with a frequency below 20kHz 8 of 28 Electromagnetic waves Transverse waves that travel at 3x10^8 in a vacuum 9 of 28 Gamma Rays A wave part of the electromagnetic spectrum that has the shortest wavelength & transfers the most energy & has the highest amount of radiation 10 of 28 X-rays A wave part of the electromagnetic spectrum that can be absorbed by the bone 11 of 28 Ultra-Violet A wave part of the electromagnetic spectrum that is emitted from very hot objects 12 of 28 Visible light A wave part of the electromagnetic spectrum that we can see 13 of 28 Infrared A wave part of the electromagnetic spectrum that's emitted when something is warmer than its surroundings 14 of 28 Microwaves A wave part of the electromagnetic spectrum that can be used to cook foods and for radars 15 of 28 Radio waves A wave part of the elctromagnetic spectrum that has the longest wavelength & the lowest amount of energy 16 of 28 Transmitter Something that emits/sends a signal 17 of 28 Reciever Something that receives a signal 18 of 28 Reflection When a wave gets sent back in the opposite direction 19 of 28 Refraction The bending of a wave 20 of 28 Wave Front A line that joins all the points on a wave together 21 of 28 Convex Lens A lens that converges light rays 22 of 28 Concave Lens A lens that diverges light rays 23 of 28 Transparent An object that lets light pass through 24 of 28 Opaque An object that doesn't let light pass through 25 of 28 Colour Filters A material that absorbs certain waves, but re-emits certain waves 26 of 28 Translucent A material that lets some light pass through 27 of 28 Diffused reflection When light hits an uneven surface, meaning it reflects in different directions 28 of 28
Comments
No comments have yet been made