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Related Concept Videos

Sound Waves: Resonance01:14

Sound Waves: Resonance

Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
Resonance02:52

Resonance

The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N-O and N=O bonds.
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
Concept of Resonance and its Characteristics01:19

Concept of Resonance and its Characteristics

If a driven oscillator needs to resonate at a specific frequency, then very light damping is required. An example of light damping includes playing piano strings and many other musical instruments. Conversely, to achieve small-amplitude oscillations as in a car's suspension system, heavy damping is required. Heavy damping reduces the amplitude, but the tradeoff is that the system responds at more frequencies. Speed bumps and gravel roads prove that even a car's suspension system is not immune...
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

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Related Experiment Video

Updated: Jun 19, 2026

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
12:21

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Published on: April 4, 2016

Morphology-dependent resonances in eccentrically stratified spheres.

K A Fuller

    Optics Letters
    |October 27, 2009
    PubMed
    Summary

    Even tiny inclusions can significantly alter light scattering in spherical particles. These inhomogeneities cause spectral shifts in resonance peaks, impacting how light interacts with the particle system.

    Area of Science:

    • Physics
    • Optical Science
    • Materials Science

    Background:

    • Spherical particles are fundamental in various scientific fields.
    • Understanding light scattering is crucial for applications in optics and materials science.
    • The influence of internal inhomogeneities on particle scattering properties is not fully understood.

    Purpose of the Study:

    • To theoretically investigate the scattering properties of spherical particles with internal spherical inhomogeneities.
    • To analyze the impact of inclusions on light scattering patterns and resonance spectra.
    • To examine how inclusion size and location affect light-host interactions.

    Main Methods:

    • Utilized exact theoretical calculations for scattering properties.
    • Modeled spherical particles with arbitrarily placed, homogeneous spherical inclusions.

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    Last Updated: Jun 19, 2026

    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
    12:21

    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

    Published on: April 4, 2016

    Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
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    Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications
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  • Analyzed resonance spectra and absorption spectra of glycerol droplets with inclusions.

    • Main Results:

    • A single, small inclusion (10^-6 volume of host) can cause significant fluctuations in scattered light.
    • Inclusions induce spectral shifts in resonance peaks, consistent with phase-matching conditions.
    • Absorption spectra were examined for systems with inclusions large enough to sustain resonances.

    Conclusions:

    • Internal inhomogeneities play a critical role in the optical scattering behavior of spherical particles.
    • The presence and characteristics of inclusions can be detected through changes in resonance spectra.
    • This research provides insights into light-matter interactions within complex microparticles.