Tru Physics

Tag: Frequency

  • Periodic Motion

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    Introduction Periodic motion, often associated with oscillatory or vibrational systems, is a fundamental concept in physics. This type of motion repeats itself in a regular cycle. Examples include the motion of a pendulum, the vibration of a guitar string, and the orbit of a planet around the Sun. Basic Definitions Simple Harmonic Motion (SHM) The…

  • Nuclear Magnetic Resonance (NMR)

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    Introduction Nuclear Magnetic Resonance (NMR) is a powerful and theoretically complex analytical tool that exploits the magnetic properties of certain atomic nuclei. It determines the physical and chemical properties of atoms or the molecules in which they are contained. Nuclear magnetic resonance (NMR) is a method that exploits the magnetic properties of certain types of…

  • Mechanical Waves

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    Introduction Mechanical waves are disturbances that propagate through a material medium due to the elastic properties of the medium. These waves transfer energy from one location to another without the physical transportation of matter. Examples of mechanical waves include sound waves, water waves, and seismic waves. Fundamental Properties of Mechanical Waves The function describes the…

  • Hertz (unit)

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    Introduction The hertz (Hz) is the unit of frequency in the International System of Units (SI). It is named after the German physicist Heinrich Hertz, who made significant contributions to the study of electromagnetism. Definition One hertz is defined as one cycle per second. In mathematical terms, if a periodic event occurs once every second,…

  • Sound Waves

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    Introduction Sound waves are mechanical waves that propagate through a medium (like air, water, or solids) as a result of vibrations, creating pressure variations that the human ear detects as sound. They are longitudinal waves, where the oscillations occur in the direction of wave propagation. Speed of Sound The speed of sound varies depending on…

  • Waveguide

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    Introduction A waveguide is a physical structure that is used to control and direct electromagnetic waves. They are commonly used in microwave communications, broadcasting, and radar installations. Basic Definition A waveguide is typically a hollow metal tube or dielectric slab that confines electromagnetic waves to travel in a direction defined by its physical boundaries. The…

  • Frequency

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    Frequency is a fundamental concept in both physics and engineering, particularly in the fields of wave mechanics, oscillatory systems, and signal processing. It is a measure of the number of cycles (repetitions) of a periodic event occurring in a unit of time. The SI unit for frequency is hertz which is equivalent to one cycle…