Academic IELTS Words for "Physics"

resistor

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an electrical component designed to limit or control the flow of electric current in a circuit, typically by providing resistance

Example

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In electronic circuits, resistors are commonly used to regulate the flow of current and protect sensitive components.

Resistors are crucial in voltage dividers, helping to distribute voltage across different parts of a circuit.

thermodynamics

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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

dark matter

noun

/dˈɑːɹk mˈæɾɚ/

(physics) an invisible substance that makes up most of the universe's mass, detectable only through its gravitational effects

Grammatical Information:

compound noun

photon

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

frequency

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the specific number of waves that pass a point every second

What is "frequency"?

Frequency refers to the number of times a wave or signal repeats in a given period, typically measured in cycles per second or Hertz (Hz). In the context of radio, television, or other electromagnetic waves, frequency determines the type of wave and its ability to carry data. For example, higher frequencies, like those in the gigahertz range, are used for things like Wi-Fi and mobile networks, while lower frequencies are often used for AM and FM radio. The frequency of a signal impacts its range, clarity, and how it interacts with the environment.

wavelength

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

What is "wavelength"?

Wavelength refers to the distance between two consecutive peaks or low points of a wave, typically measured in meters. In terms of radio, television, or light waves, it determines the size of the wave and is closely related to the frequency. A longer wavelength corresponds to a lower frequency, and a shorter wavelength corresponds to a higher frequency. Wavelength affects how waves travel, with longer wavelengths able to travel further and penetrate obstacles more easily, while shorter wavelengths offer higher resolution but may not travel as far.

reflection

noun

/ɹɪˈfɫɛkʃən/

the action or process where a wave, such as light or sound, bounces back from a surface instead of passing through

momentum

noun

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the strength of a moving object determined by multiplying how heavy it is by how fast it is going

inertia

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the tendency of an object to resist changes in its state of motion, whether at rest or in uniform motion, and to remain in its current state unless acted upon by an external force

oscillation

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(physics) the back-and-forth motion of an object between two end points

inductor

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an electronic component that stores energy in a magnetic field when an electric current flows through it; typically consists of a coil of wire

aerodynamics

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the study of the behavior of air as it interacts with solid objects, particularly the flow of air around and through objects, and the effects of this interaction on the objects

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