Therefore it depends not only on the intensity of the light, but on our perception of it. It can be done by taking the ratio of power values of these. See more. electric field intensity meaning: 1. the strength of electrical energy at a given point in the electric field 2. the strength of…. Sound intensity level is not the same as intensity. Let's talk about wave intensity; intensity is a word that we use to describe how much energy is associated with a periodic wave. intensity = தீவிரம் Pronunciation = intensity Pronunciation in Tamil = இன்டென்சிட்டி intensity in Tamil: தீவிரம் Part of speech: Noun Definition in Eng See in Telugu. See in Hindi. Magnetic Intensity Definition: The degree to which a magnetic field can magnetise a substance or the capability of external magnetic field to magnetise the substance is called magnetic intensity. Enrich your vocabulary with the English Definition dictionary The lumen is evaluated with reference to visual sensation. Definition of Intensity of Magnetisation. When this ratio is ten, the difference in intensity of the sounds is measured as one bel. Sound loudness is a subjective term describing the strength of the ear's perception of a sound. The Magnetic moment of a magnet undergoes a change when it is placed in a magnetic field. Professor was perhaps referring to flux of an EM wave? Example sentences with the word intensity. Its flux can be thought of as the amount of something that passes through or onto something. The intensity or the photoelectric effect that is measured on a surface at a specific position is known as illuminance. Learn more. The magnetic field produced by the external source of current is called magnetising field. The power or magnitude of light, heat, or whatever else you might analyze in physics class. The formula of Intensity of Magnetisation. What does intensity mean? How to use intensity in a sentence. Inverse Square Law Formula Questions: 1) If a bright flashlight has a light intensity of 15.0 candela at a distance 1.00 m from the lens, what is the intensity of the flashlight 100.0 m from the lens?. It is denoted by E g or I. E g or I = \(\frac{F}{m}\) Intensity of gravitational field at a distance r from a body of mass M is given by. Amplitude is a measure of the maximal change in whatever quantity is varying in a wave.. For sound waves, the varying quantity [and its SI unit] could be… Current intensity definition is - the magnitude of an electric current as measured by the quantity of electricity crossing a specified area of equipotential surface per unit time. These are directional quantities. to describe anything done with flair and enthusiasm. Of primary concern, however, is the magnetomotive force needed to establish a certain flux density, B in a unit length of the magnetic circuit. Where, m – Pole strength and A – Area of the cross-section. Sound intensity, also known as acoustic intensity, is defined as the power carried by sound waves per unit area in a direction perpendicular to that area.The SI unit of intensity, which includes sound intensity, is the watt per square meter (W/m 2).One application is the noise measurement of sound intensity in the air at a listener's location as a sound energy quantity. Answer : The intensity at the farther distance can be found using the formula: If d 1 = 1.00 m from the lens, and d 2 = 100.0 m from the lens, then I 1 = 15.0 candela, and we need to solve for I 2. The intensity of one sound can be compared to the intensity of another sound source with the same frequency. How to use intensity in a sentence. The units of decibels (dB) are used to indicate this ratio is multiplied by 10 in its definition. I feel like when your professor says "number of photons per second", they are referring to the frequency of the light wave. The quantities used to express luminous intensity are arcane to most non-scientists. ‘Warren can do stillness, tension, passion, intensity and sentimentality.’ ‘The eyes convey a dark emotion of chilling intensity: resentment, perhaps?’ ‘They described the period as one of high emotional and political intensity.’ ‘The key to ideological commitment is emotional intensity, not rational thought.’ It is more closely related to luminous intensity than to radiant intensity.For a beam with a given spectrum, however, the luminous and radiant intensities will be related by fixed proportionality. Information and translations of intensity in the most comprehensive dictionary definitions resource on the web. The unit for the quantity of light flowing from a source in any one second (the luminous power, or luminous flux) is called the lumen. Intensity definition, the quality or condition of being intense. ... 1. If the source is isotropic, the intensity I is the same everywhere on this surface, by definition. The sound wave that impinges upon our ear is a pressure wave. As far as I know, brightness is defined in optics as a component of color. The formula for intensity is: \(I = \frac {P}{A}\) Where The hearing mechanism involves some interesting physics. See in Bangla. Meaning of intensity. Intensity definition is - the quality or state of being intense; especially : extreme degree of strength, force, energy, or feeling. intensity தீவிரம் தீவிரம். See In Kannada. See more. For reference, a frequency of 540 terahertz (540 THz or 5.40 x 10 14 Hz ) is specified. The sound intensity must be factored by the ear's sensitivity to the particular frequencies contained in the sound. The magnetising field depends on external free currents and geometry of current carrying conductor. 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