Incandescence: the state of glowing while at a high temperature, caused by electrons in vibration at

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Rotational Inertia: That property of an object to resist any change in its state of rotation. If at rest the body tends to remain at rest; if rotating, it tends to remain rotating and will continue to do so unless acted upon by a net external torque.
Centrifugal Force: An outward force that is due to rotation. In an inertial frame of reference, it is fictitious in the sense that it doesn't act on the rotating object but on whatever supplied the centripetal force; it is the reaction to the centripetal force. In a rotating frame of reference, it does act on the rotating body and is fictitious in the sense that it is not an interaction check continental airline flight with an agent or entity such as mass or charge but is a force in itself check continental airline flight that is solely a product of rotation; it has no reaction-force counterpart.
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Conservation of Angular Momentum: When no external torque acts on an object or a system of objects, no changes of angular momentum takes place. Hence, the angular momentum before an event involving only internal torques is equal to the angular momentum after the event
Spring Tide: A high or low tide that occurs when the sun, earth, and moon are all lined up so that the tides due to the sun and moon coincide, making the high tides higher than average and the low tides lower than average
Neap Tide: A tide that occurs when the moon is midway between new and full, in either direction. Tides due to the sun and moon partly cancel, making the high tides lower and the low tides higher than average.
Sine Curve: A wave form traced by simple harmonic motion that is uniformly moving in a perpendicular direction, like the wavelike check continental airline flight path traced on a moving conveyor belt by a pendulum swinging check continental airline flight at right angles about the moving belt.
Frequency check continental airline flight Modulation: A type of modulation in which the frequency of the carrier wave is varied above and below its normal frequency be an amount that is proportional to the amplitude of the impressed signal. In this case, the amplitude of the modulated carrier wave remains constant.
Ellipse: The closed oval-like curve wherein the sum of the distances from any point on the curve to both foci is a constant. When the foci are together at one point, the ellipse is a circle. The farther apart the foci, the more eccentric the ellipse.
Electric Power: the rate of energy transfer, or the rate of doing work; the amount of energy per unit time, which electrically can be measured by the product of current and voltage. Measured in watts or kilowatts.
As the day progresses and the sun is lower in the sky, the path through the atmosphere check continental airline flight is longer, and more blue is scattered from the sunlight. The removal of blue (through scattering) leaves the transmitted light more reddish in appearance.
Reflection: the return of light rays from a surface in such a way that the angle at which a given ray is returned is equal to the angle at which it strikes the surface. When the reflecting surface is irregular, light is returned in irregular directions; check continental airline flight this is diffuse reflection.
The amount of diffraction depends on the wavelength of the wave compared to the size of the obstruction that casts the shadow. The longer the wave compared to the obstruction, the more the diffraction occurs.
Interference: the superposition of waves producing regions of reinforcement and regions of cancellation. Constructive interference refers to regions of reinforcement; destructive interference refers check continental airline flight to regions of cancellation. The interference of selected wavelengths check continental airline flight of light produces colors known as interference colors.
check continental airline flight Incandescence: the state of glowing while at a high temperature, caused by electrons in vibration atoms and molecules that are shaken in and out of their stable energy levels, emitting radiant energy in the process. The peak frequency of radiant energy is proportional to the absolute temperature of a heated substance; f ~ t
Absorption Spectrum: a continuous spectrum, like that of white light, interrupted by dark lines or bands that result from the absorption of certain frequencies of light by a substance through which the radiant check continental airline flight energy passes.
Fluorescence: the property check continental airline flight of absorbing radiant energy of one frequency and re-emitting radiant energy of lower frequency. Part of the absorbed radiant energy goes into heat and the other part into excitation; hence the emitted radiant energy has a lower energy and therefore a lower frequency than the absorbed radiant energy.
Phosphorescence: a type of light emission that is the same as fluorescence except for a delay between excitation and de-excitation, which provides an afterglow. The delay is caused by atoms being excited to energy levels that do not decay rapidly. The afterglow may last from fractions of a second to hours, or even days, depending on the type of material, temperature, and other factors.
1] the time lag between turning on the light and the ejection of the first electrons was not affected by the brightness or frequency of the light. check continental airline flight 2] The effect was easy to observe with violet or ultraviolet light, but not with red light. 3] The rate at which electrons were ejected was proportional to the brightness of the light. 4] The maximum energy of the ejected electrons was not affected by the brightness of the light, but there were indications that the energy did depend on the frequency of the light.
Notes: The electron doesn t radiate light while it accelerates around the nucleus in a single orbit, but that radiation of light takes place only when the electron jumps orbit from a higher energy level to a lower energy level.