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Věda ACT - Physics

Zde se naučíte některá anglická slova související s fyzikou, jako jsou "diffuse", "lepton", "nanoscale" atd., která vám pomohou uspět u vašich ACT.

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ACT Vocabulary for Science
amplitude
amplitude
[Podstatné jméno]

(physics) the maximum distance a vibrating material, sound wave, etc. such as a pendulum travels from its first position

amplituda, rozsah

amplituda, rozsah

Ex: In physics, amplitude refers to the maximum displacement of a wave from its equilibrium position. 
acoustic
acoustic
[Přídavné jméno]

relating to the science of studying sounds or the way people hear things

akustický, vztahující se k akustice

akustický, vztahující se k akustice

Ex: The researchers conducted acoustic experiments to understand how sound waves travel through different materials. 
sonar
sonar
[Podstatné jméno]

a technology that uses sound waves to detect objects underwater or measure distances underwater

sonar, akustická detekce

sonar, akustická detekce

Ex: The submarine navigates using sonar to map the ocean floor and detect potential obstacles. 
prism
prism
[Podstatné jméno]

a solid geometric shape, typically with a triangular base and rectangular sides, that refracts light into its component colors or alters the path of light

hranol, fasetový krystal

hranol, fasetový krystal

Ex: The light passing through the prism refracted into a spectrum of colors: red, orange, yellow, green, blue, indigo, and violet. 
ultraviolet
ultraviolet
[Podstatné jméno]

a type of electromagnetic radiation with shorter wavelengths than visible light, often associated with sunlight and used in various applications

ultrafialové, ultrafialové záření

ultrafialové, ultrafialové záření

Ex: Protect your skin from ultraviolet rays by wearing sunscreen. 
infrared
infrared
[Podstatné jméno]

electromagnetic radiation with longer wavelengths than visible light, used for applications such as thermal imaging and remote sensing

infračervený, infračervené záření

infračervený, infračervené záření

Ex: The infrared emitted by warm objects can be detected by specialized cameras to create thermal images. 
fluorescence
fluorescence
[Podstatné jméno]

the emission of light by a substance that has absorbed light or other electromagnetic radiation

fluorescence, luminiscence

fluorescence, luminiscence

Ex: Fluorescence is commonly seen in certain minerals that emit a glowing light under ultraviolet (UV) light. 
spectrometer
spectrometer
[Podstatné jméno]

a scientific instrument used to measure and analyze the properties of light over a specific range of wavelengths

spektrometr

spektrometr

Ex: The scientist used a spectrometer to analyze the composition of the unknown substance based on its light absorption. 
molar absorptivity
molar absorptivity
[Podstatné jméno]

a measure of how strongly a substance absorbs light at a particular wavelength

molární absorpčnost, molární absorpční koeficient

molární absorpčnost, molární absorpční koeficient

photon
photon
[Podstatné jméno]

a fundamental particle of light that carries electromagnetic energy and exhibits both particle-like and wave-like properties

foton, kvantum světla

foton, kvantum světla

Ex: Photons are the quanta of electromagnetic radiation, including visible light, radio waves, and X-rays. 
to refract
to refract
[sloveso]

(of physics) to change the direction of light, sound, or energy when it passes through something

lomit, odchylovat

lomit, odchylovat

diffraction
diffraction
[Podstatné jméno]

the bending, spreading, and interference of waves as they encounter obstacles or pass through narrow openings, often observed in the behavior of light, sound, or other waves

difrakce, difrakce vln

difrakce, difrakce vln

Ex: Diffraction of light produces patterns of alternating dark and bright regions when it encounters a narrow slit or passes through an obstacle. 
absorption spectrum
absorption spectrum
[Podstatné jméno]

a range of wavelengths of electromagnetic radiation absorbed by a substance, typically represented as a graph showing absorption intensity versus wavelength

absorpční spektrum, spektrum absorpce

absorpční spektrum, spektrum absorpce

Ex: Scientists use an absorption spectrum to identify chemical elements and compounds by analyzing the specific wavelengths of light they absorb. 
transmittance
transmittance
[Podstatné jméno]

the fraction or percentage of light or electromagnetic radiation that passes through a substance or medium

propustnost, přenos

propustnost, přenos

Ex: The transmittance of the glass allowed most of the sunlight to pass through into the room. 
thermodynamics
thermodynamics
[Podstatné jméno]

the branch of physical science that deals with the relationships between heat, work, and energy, particularly the principles governing the conversion of various forms of energy

termodynamika

termodynamika

Ex: The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only transferred or converted from one form to another. 
thermostat
thermostat
[Podstatné jméno]

an instrument that automatically controls the temperature of a room, machine, etc.

termostat

termostat

Ex: The thermostat regulates the temperature in the house, ensuring comfort and energy efficiency. 
calorimeter
calorimeter
[Podstatné jméno]

a device used to measure the heat released or absorbed during a chemical reaction or physical change, typically by measuring temperature changes in a surrounding medium

kalorimetr, zařízení pro měření tepla

kalorimetr, zařízení pro měření tepla

Ex: Chemists use a calorimeter to determine the heat of combustion of a substance by measuring the temperature change in water surrounding a reaction vessel. 
thermometer
thermometer
[Podstatné jméno]

a tool designed to measure the temperature of the surrounding air or environment

teploměr, teploměr okolí

teploměr, teploměr okolí

Ex: The meteorologist placed the thermometer in the shaded shelter to get an accurate air temperature reading. 
microchip
microchip
[Podstatné jméno]

a small piece of material that is a semiconductor, used to make an integrated circuit

mikročip, čip

mikročip, čip

Ex: The computer’s performance improved after upgrading its microchip. 
wavelength
wavelength
[Podstatné jméno]

the distance between a point on a wave of energy and a similar point on the next wave

vlnová délka, délka vlny

vlnová délka, délka vlny

Ex: In physics, wavelength is the distance between two consecutive peaks (or troughs) of a wave. 
relativity
relativity
[Podstatné jméno]

a theory that explains the relationship between motion, space, and time

relativita

relativita

Ex: Relativity explains why GPS satellites must adjust their clocks for Earth's gravity. 
antimatter
antimatter
[Podstatné jméno]

(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter

antihmota, hmota antihmota

antihmota, hmota antihmota

Ex: Antimatter is composed of antiparticles, which have the same mass as their corresponding particles but opposite electric charge. 
congelation
congelation
[Podstatné jméno]

the process of solidification or freezing, typically of a liquid or a substance turning into a solid state due to a decrease in temperature

mrznutí, tuhnutí

mrznutí, tuhnutí

Ex: The congelation of water into ice occurs when temperatures drop below freezing point. 
subatomic
subatomic
[Přídavné jméno]

relating to particles or forces that exist within atoms, including particles smaller than atoms themselves or the interactions between these particles

subatomární, podatomový

subatomární, podatomový

Ex: Subatomic particles interact through fundamental forces, such as electromagnetism and the strong and weak nuclear forces. 
neutrino
neutrino
[Podstatné jméno]

a very small, electrically neutral particle that rarely interacts with matter

neutrino, neutrinová částice

neutrino, neutrinová částice

Ex: Neutrinos are subatomic particles with very little mass. 
nanoscale
nanoscale
[Přídavné jméno]

extremely small, typically between 1 and 100 billionths of a meter, where materials show unique properties

nanometrický, v nanometrickém měřítku

nanometrický, v nanometrickém měřítku

Ex: The nanoscale structure of materials can change how they conduct electricity. 
to solidify
to solidify
[sloveso]

to transform from a liquid or flexible state into a stable, firm, or compact form

ztuhnout, ztvrdnout

ztuhnout, ztvrdnout

Ex: As the temperature dropped, the melted wax began to solidify, forming candles with a smooth surface. 
to liquefy
to liquefy
[sloveso]

to change from a solid state and become fluid or liquid

zkapalnit, tát

zkapalnit, tát

Ex: As the temperature rose, the snow on the ground started to liquefy. 
metrology
metrology
[Podstatné jméno]

the scientific study of measurement, including the development of measurement standards and techniques

metrologie, věda o měření

metrologie, věda o měření

Ex: Metrology laboratories test and certify measuring instruments. 
biophysicist
biophysicist
[Podstatné jméno]

a scientist who applies principles and methods of physics to study biological systems and phenomena, aiming to understand life processes at the molecular and cellular levels

biofyzik, vědec v oboru biofyziky

biofyzik, vědec v oboru biofyziky

Ex: The biophysicist used computational modeling to simulate protein folding dynamics in cells. 
diffuse
diffuse
[Přídavné jméno]

describing light that spreads evenly from a broad source or surface, creating soft illumination without harsh shadows

rozptýlený, difúzní

rozptýlený, difúzní

Ex: The room was softly lit with diffuse light from the ceiling fixture. 
spent fuel
spent fuel
[Podstatné jméno]

used nuclear fuel that is no longer efficient for producing energy in a reactor

vyhořelé palivo, použité jaderné palivo

vyhořelé palivo, použité jaderné palivo

pressure gradient
pressure gradient
[Podstatné jméno]

the rate at which pressure changes over a certain distance in a particular direction

tlakový gradient, změna tlaku

tlakový gradient, změna tlaku

wave number
wave number
[Podstatné jméno]

the spatial frequency of a wave, representing the number of wavelengths per unit distance

vlnové číslo, prostorová frekvence

vlnové číslo, prostorová frekvence

Ex: The wave number of a light wave in vacuum is calculated as the inverse of its wavelength. 
boson
boson
[Podstatné jméno]

a tiny particle with whole-number spin, such as photons or the Higgs boson, often associated with carrying fundamental forces or giving mass to other particles

boson, částice s celočíselným spinem

boson, částice s celočíselným spinem

Ex: Photons, particles of light, are examples of bosons that carry the electromagnetic force. 
collider
collider
[Podstatné jméno]

a type of particle accelerator where two opposing beams of particles are directed to collide with each other at high speeds, allowing scientists to study fundamental particles and forces

srážeč, urychlovač částic s čelní srážkou

srážeč, urychlovač částic s čelní srážkou

Ex: The Large Hadron Collider (LHC) is the world's largest and most powerful collider, used to explore particle physics. 
dipole
dipole
[Podstatné jméno]

a simple type of antenna made of two metal rods, connected in the middle, that is half the wavelength of the signal it transmits or receives

dipól, dipólová anténa

dipól, dipólová anténa

Ex: The radio station uses a dipole antenna to broadcast signals over a wide area. 
lepton
lepton
[Podstatné jméno]

a fundamental particle with half-integer spin, including electrons and their heavier counterparts, as well as neutrinos

lepton, elementární částice s poločíselným spinem

lepton, elementární částice s poločíselným spinem

Ex: Leptons are elementary particles that include electrons, muons, tau particles, and their associated neutrinos. 
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