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  2. 5 days ago · interference, in physics, the net effect of the combination of two or more wave trains moving on intersecting or coincident paths. The effect is that of the addition of the amplitudes of the individual waves at each point affected by more than one wave.

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  3. 1 day ago · A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents,: ch1 and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field.

  4. 3 days ago · Hess discovered that the intensity of radiation increased with altitude, suggesting an extraterrestrial origin. This finding led to the term “cosmic rays,” coined by American physicist Robert Millikan in the 1920s. Although initially thought to be electromagnetic radiation (hence the term “rays”), subsequent research revealed that ...

  5. 2 days ago · Intensity of light is defined as the energy transmitted per unit area in one unit of time. Suppose a source of light is in the form of a spherical shape and it is emitting a light of some wavelength.

  6. 4 days ago · ‘OB’ represents the intensity of magnetization remaining in the material when the applied field is reduced to zero. This is called the residual magnetism or remanence. The property of retaining some magnetism on removing the magnetic field is called retentivity.

  7. 3 days ago · Intensity of sound is the time rate at which the sound energy flows through a unit area. Loudness is the sensation produced in the brain by the combined effect of intensity and response of the ear: \[\begin{align} \text {Intensity} &\propto {\text {Amplitude}}^2\\\\ \text {Intensity} &\propto \dfrac {1}{{\text {Distance}}^2}\\\\\\ \text ...

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