6 (a)State what is meant by critical angle.[1](b)Fig. 6.1 shows the cross-section of an optical fibre. The optical fibre has a very thin glass core with a diameter of 14 um. The refractive index of the glass core is 1.65.plastic cladding十airīglass core Fig. 6.1(i) The glass ...
Excellent overview of dfft forms of qlv / lngc anl. Good outline for developing crs in how lng str the scl world and can be anlz/d to reveal the str of same.StubbsSociolinguisticSlembrouck
这里meant 是mean 的被动语态。例(1)：主动语态： “Forthrightness” means what?被动语态： What is meant by “forthrightness”?例(2)：主动语态： Rita writes a letter.被动语态： A letter is written by Rita.例(3)：主动语态： 一辆车撞死了行人 被动语态： 行人被一辆车撞死...
2 (a) Explain what is meant by the following terms when used in the context of forces.(i) Centre of gravity The point of a body through which the entire weight of the body appears to act. [1] (ii) Friction The force between two surfaces that opposes relative motion between them.[1...
百度试题 结果1 题目What is meant by "investment instruments"?相关知识点: 试题来源: 解析 Investment instruments are those tools for the investors by which investors can reach the purpose of his investment—making profits.反馈 收藏
(1) What is meant by the term neutral oxide?[1] [Total: 8] 相关知识点: 试题来源: 解析 The term "neutral oxide" refers to an oxide that does not have a distinct acid or base character. "Neutral oxide" refers to an oxide that does not exhibit acidic or basic properties. Unlike ...
(b)State what is meant by the term menstruation. 相关知识点: 试题来源: 解析 An answer that makes referenceto one of the following points:blood loss once a month /monthly period / eq (1)breakdown of uterus lining/ breakdown ofendometrium / eqAllow passing out/ shedding 1 loss ofuterus ...
What is meant by the term "income elasticity of demand"? Define "elasticity of demand" and give its formula as well. What does the cross price elasticity of demand mean, in words? What is cross elasticity of demand and how is it measured?
1 英语翻译 What is meant by this is that each individual must be aware of the impact he or she has on the world and their unique part to play in this world. His behavior will be that of a responsible individual.(这个句子结构看不懂呀.) Education is the key to all problems and it ...
14 (a)Explain what is meant by the work function of a metal.*(b) Observations of the photoelectric effect support the particle theory of light.State one such observation and explain how it supports the particle theory of light. 相关知识点: ...