A.Light waves are beams of light.B.Light waves can penetrate any materials except men' s bodies.C.Light waves can penetrate transparent materials.D.Light waves can penetrate some materials. 相关知识点: 试题来源: 解析 B [考点] 本题为事实细节题。[解析] 文章第三段指出,光不能穿过某些材料如人...
结果1 题目 D. To reflect lightwaves back into the air.29. Which aspect of morpho butterflies inspired the researchers? B. Their species diversity. A. Their genetic colors. D. Their biological structure. C. Their habitat condition. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Electromagnetic waves are light waves. They do not need a medium to travel and can move through space to reach Earth from the Sun. Although we usually think of light as visible light, there are many other kinds.Answer and Explanation: ...
Which type of electromagnetic radiation cannot be focused? What do electromagnetic waves carry? What is the amplitude of electromagnetic waves? What is the dual nature of electromagnetic waves? What are the characteristics of light waves? What is wave refraction? What type of electromagnetic radiation...
The wave length of each light changes, so the quantity of heat in each light changes, too. Flowers, especially their petals (花瓣), are very delicate (纤弱) and prone (易于) to the harm caused by high temperature. Black flowers can take in all the light waves, w...
alight travels through space as a wave ,which is made up of successive crests which rise above the midline ,and troughs, which sink below it.waves have three primary characteristics ,two of which are of particular interest at this point 光游遍空间作为波浪,由连续冠做成在中线之上上升和低谷,在...
a她虽然在血统上不是英国人 Although she in the blood relationship is not the English[translate] arouble,then 卢布,然后[translate] ablack flowers can take in all the light waves which cause the flowers to dry up in a high temperature 黑花在一个高温度造成花烘干的所有光波可能采取[translate]...
When an audio signal is applied, varying attractions are created along the grids. This pushes part of the diaphragm toward one grid and pulls part toward the opposing grid. The resulting vibrations in the diaphragm produce the sound waves that are eventually detected by the ear. Dynamic ...
View Solution (A) : Waves produced by a motor boat sailing in water are both longitudinal and transverse waves. (R): The longitudinal and transverse waves cannot be produced simultaneously. View Solution Can transverse waves be produced in air ?
Which of the following is INCORRECT?A.The Internet can be connected by light waves.B.You can pay many different kinds of bill online.C.Most of universities offer classes on the Internet.D.You can even buy groceries online at online stores...