3 (a)State what is meant by simple harmonic motion.[2](b) A trolley o f mass m is held on a horizontal surface by means o f two springs. One spring is attached to a fixed point P. The other spring is connected to an oscillator, as shown in Fig. 3.1.spring trolley spring osc...
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...
6 (a)What is meant by the term transgenic organism?(2)1. contains gene /DNA /allele /genetic material;2. from a different species;(b)(i) Give an example of a current or potential use of a transgenic animal.(1)1. producing (human) organs;2. named animal making antibodies /proteins ...
6.1(i) The glass core is surrounded by a plastic cladding.State and explain which material has a higher refractive index and explain your answer..[2](ii)The light ray enters the air-glass interface at 45°.Calculate the angle of refraction in the glass core.angle of refraction =...[2]...
(b)State what is meant by the terms(i) element,(substance that) cannot be split up/ broken down into (two or more) simpler substances by chemical means1...OR(substance) made of atoms with the same atomic number/ number of protons/ proton number.on number... [1](ii) compound,(two...
4 (a) State what is meant by the term polarisation when applied to a wave.[1](b)Explain why only transverse waves can be polarised.[2](c)Some films released have enabled viewing in three dimensions (3D). This can be done using two superimposed polarised images on the screen. One of ...
What is meant by the phrase “ Communication is contextual .” ? Can you think of examples to show how context has influenced you? 2. How do you understand “ internal noise ” in the process of intercultural communication? 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用...
What is meant by "phase" in wave optics? Optics: Optics is the branch of Physics that specifically deals with the study of the properties and behaviour of light, its interaction with other matter and the devices used to detect and measure some properties of light. One of which is the spee...
What is meant by he doesnt swing bpndly( Line 4, Paragraph 3 )A.Ken Smith provides sufficient examples for his criticism.B.Ken Smith hits junk Engpsh in the right point.C.Ken Smith acknowledges some positive side to junk Engpsh.D.Ken Smith bravely defend
To help visualize what is meant by a gravitational field we may use lines of force. 下划线部分在句中作 。 A.主语 B.宾语 C.状语 D.定语 点击查看答案 你可能感兴趣的试题 单项选择题 按照生产工艺过程的特点,产品生产可以分为是( )。 A、单步骤生产和多步骤生产...