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SAT2物理常用术语词汇整理(L)

2011-12-05 18:23

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  为了方便广大考生更好的复习,新东方网综合整理了SAT2物理常用术语词汇,以供各位考生考试复习参考,希望对考生复习有所帮助。愿大家都能取得好成绩,更多有关留学考试的资讯与辅导资料敬请关注新东方网留学考试频道。

  Latent heat of fusion

  The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature, or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.

  Latent heat of sublimation

  The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas, without a change in temperature.

  Latent heat of transformation

  The amount heat necessary to cause a substance to undergo a phase transition.

  Latent heat of vaporization

  The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature, or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.

  Law of conservation of energy

  Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.

  Law of reflection

  For a reflected light ray, . In other words, a ray of light reflects of a surface in the same plane as the incident ray and the normal, and at an angle to the normal that is equal to the angle between the incident ray and the normal.

  Legs

  The two shorter sides of a right triangle that meet at the right angle.

  Lenz’s Law

  States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule, point your thumb in the opposite direction of the change in magnetic flux. The direction your fingers curl into a fist indicates the direction of the current.

  Longitudinal waves

  Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves, since the air molecules move back and forth in the same direction the sound travels.

  Loudness

  The square of the amplitude of a sound wave is called the sound’s loudness, or volume.

  小编提醒:单词的记忆要靠长期的坚持,考生们一定要持之以恒,每天都拿出来看一看背一背,让这些词汇在大脑中形成长期记忆,这样就不会轻易地忘记背过的词汇了。

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