A. Sound energy B. Light energy C. Heat energy D. Electrical E. nergy 相关知识点: 试题来源: 解析 A。当铃响的时候,产生的是声音,声音是一种能量形式,即声能。B 选项光能是由光产生的能量;C 选项热能是由温度差产生的能量;D 选项电能是由电荷流动产生的能量。反馈...
essential to carry the light energy to travel. This is why the light energy can travel through space where there is no air, whereas it is not the same with sound waves, as they have to travel through solids, liquids or gas. Light energy is very swift and travels faster than anything el...
光是什么? Light is a kind of energy you can see. You can seelight from the sun. You can see light from a candle or from a light bulb. Light moves in a straight line. It cannot move around things that get in its way. When something gets in the way of light, it makes a shadow...
Just asking ‘what is light energy’ opens you up to a flood of other questions trying to narrow down the context that you are asking the question in. In photometry, luminous energy is the perceived energy of light. It can also be defined as the electromagnetic radiation of visible light. ...
Learn about energy and discover the different types of energy. Explore potential energy, kinetic energy, and how energy is simply the ability to do...
1、is well known, light, like heat, is a form of energy. A. It B. what C. Just as D.A
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Light Energy Diode D. Light E. nergy Device 相关知识点: 试题来源: 解析 A。“LED”是“Light Emitting Diode”的缩写,意思是发光二极管。选项 B“Light Emitting Device”是发光设备;选项 C“Light Energy Diode”是光能二极管;选项 D“Light Energy Device”是光能设备。反馈 收藏 ...
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conservenaturalresourcesandenergy.Itwillalsosaveyouandyourcommunity.Besuretostart doingyourparttosaveourbeautifulhometoday! ( )1.WhydidIPCCreleaseitsfirstassessmentofclimatescience? A.Toappealtopeopletoreducecarbonlevels. B.Tostatetheearth?stemperaturehitsarecordhigh. C.Toinformreadersclimatechangeissevere. ...