A. A mirror B. A pen C. A book D. A chair 相关知识点: 试题来源: 解析 A。这道题考查彩虹实验所需的材料。A 选项“mirror”镜子,可以反射光线,用于制作彩虹实验。B 选项“pen”笔,不能反射光线。C 选项“book”书,不能反射光线。D 选项“chair”椅子,也不能反射光线。反馈 收藏 ...
The moon shines because it reflects the light of the sun. What does'reflect' mean? A. Give off B. Take in C. Send back D. Use up 相关知识点: 试题来源: 解析 C。解析:月亮发光是因为它反射太阳的光。reflect 意思是反射,send back 送回,与反射意思相近。give off 发出;take in 吸收;send...
Light has many properties such as. 1: Reflection. 2: Refraction. 3: Polarization. Light has a dual nature. It can be considered as a packet of photons or matter or as a ray of light. Reflection is defined as Bouncing back of light from a reflective surface due to absorption of light ...
Light is often said to reflect off of mirrors and other smooth surfaces such as the surface of a lake. To understand how this works, you must first understand what light is. Then you can easily grasp why light seems to reflect off of mirrors better than other surfaces. What is Light? L...
Light: Light is often described as a wave and a particle, which is because it is composed of photons that move like waves. It usually refers to the part of the electromagnetic spectrum that we can see. Answer and Explanation:1 All colors except black reflect light; the color that we see...
Light is all around us, but the behavior of light can be categorized into three major types. Light can reflect, refract or be absorbed by a material. Answer and Explanation:1 Become a Study.com member to unlock this answer!Create your account ...
Thestoriesaretold 4 aslowandrelaxedpace, 5 (reflect)therestorers?work. Restorationofculturalrelicsandantiquescanbetime-consuming,andsometimesboring.Yetthese restorers?patienceandpeaceofmindare 6 (especial)preciousinasocietywhereeverythingis changingsofast. Atouchingpartofthedocumentaryis 7 spiritofcraftsmansh...
4,They are required to reflect on what they are grateful for and how they can shine light on others as well. 相关知识点: 试题来源: 解析 答案见上4.what查宾语 句的引 。 句意:他们被要求 反思他们所感激的,以及他们如何能照亮他人。 分 析句子结构可知,空格处引导宾语从句,从句中缺少 宾语,因此...
10.WhatcanbeinferredfromParagraph4? A.Bluelightexposureishardlyavoidable. B.Eyeproblemsarenoteasytodealwith. C.Bluelightmayconnectwithtiredeyes. D.Rubbingeyesmakespeoplestrained. 11.Accordingtothetext,wearingblue-light-blockingglassesmaybe . A.tiring B.harmful C.useless D.beneficial D Windfarmshavebeen...
We see an object because it emits light (for example, the sun, fire, a light bulb), or we see objects that reflect light. What Is Diffused Light? Diffused light is a soft light with neither the intensity nor the glare of direct light. It is scattered and comes from all directions. ...