Light produces photons which are small packets of energy. As theatomsof an object are heated, it results in the production of photons. The electrons find excitement from the heat and produce extra energy. This energy emits in the form of a photon, and more photons are released as the mater...
The sun, _undoubtedly_, is the source of light and heat. What other sources of energy are there? A. undoubtedly B. in addition C. by accident D. at present 相关知识点: 试题来源: 解析 A。“undoubtedly”插入语表示毫无疑问,太阳毫无疑问是光和热的来源。“in addition”此外;“by accident”...
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 ...
“LED is energy-efficient.” What does “LED” stand for? A. Light Emitting Diode B. Light Emitting Device C. Lighting Emitting Diode D. Lighting E. mitting Device 相关知识点: 试题来源: 解析 A。“LED”代表“Light Emitting Diode”,发光二极管。选项 B、C、D 的说法错误。
devicesweareexposingourselvestobluelight. Bluelightisatypeofelectromagnetic(电磁 的)radiationwithaveryshortwavelengththat producesahighamountofenergy.Whileit?strue thatlightcandamageoureyesundercertaincircumstances,there?snoscientificevidencesuggestingthatbluelightisharmfultooureyes.But manypeoplestillthinkitis,whichis...
What are the energy-rich molecules produced in the light-dependent reactions? A. ATP and NADH. B. ADP and NADP. C. ATP and NADPH. D. ADP and NADH. 相关知识点: 试题来源: 解析 C。解析:“The hydrogen ions are then used to generate ATP and NADPH, which are energy-rich molecules.”...
Light doesn't bounce off some things, such as a piece of glass. Light goes through them. You can see through these things. 1判断正误,写T或F. ___1. Light is a kind of energy you can feel. ___2.Light moves in a straight line. ___3.Light can't move around things that get in...
What are the different theories of light?Light:The light is generated only by thermal energy. The light obtained from fire is produced by the thermal energy of fuel burnt, and the light from the bulb is due to the constantine wire which gets heated by electrical energy....
What does the sun consume to produce energy and helium? A star turns matter into energy in what process? What are the products of light reactions? What are some natural causes of light pollution? What is the term for energy emitted as electromagnetic waves?
There are a lot of simple things we can do to decrease energy consumption. Here are just a few examples:Use energy efficient light bulbs for our most-used lights.When we leave a room, turn off the light.Turn off our computer/laptop when we are not using it.Save water. Take quicker sh...