مفردات لاختبار IELTS Academic (الدرجة 5) - الفيزياء

an extremely small elementary particle with a negative electric charge

a small positively charged particle present in atoms

a small particle with no charge present in atoms

the smallest possible amount of a particular quantity that cannot be divided any further

(physics) a source of power that is required to do any work that may exist in potential, kinetic, thermal and other forms

(physics) a push or pull that can change an object's motion, direction, or shape

the force by which objects with mass attract one another, especially the force that draws objects toward the Earth

(physics) an oscillating movement by which energy is transferred without the transport of matter, such as light and sound

(physics) the state of being under pressure as a result of getting stretched

(physics) the amount of force exerted per area that is measured in pascal, newton per square meter, etc.

the ability to go back to the original form after being stretched

(physics) the mass of a substance or object per unit of volume

a nuclear reaction in which light atomic nuclei combine to form a heavier nucleus and release energy

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

the energy difference that drives current, typically measured in volts

an extremely small unit of matter or radiation treated as a discrete entity in physics

a phenomenon of attracting and repulsing forces that a moving electrical charge produces

a flow of electricity resulted from the movement of electrically charged particles in a direction

total potential energy provided by a power source