百度试题 结果1 题目 29. Which one of the following is grouped correctly?Good conductor of heat Poor conductor of heat(1) Silver Iron(2) Plastic Gold(3) Copper Wood(4) Styrofoam Sponge 相关知识点: 试题来源: 解析 (3) 反馈 收藏 ...
(i) is a liquid at room temperature : (ii) can be easily cut with a knife , (iii) it is the best conductor of heat : (iv) is a poor conductor of heat. View Solution Give an example of a metal which (i) is a liquid at room temperature. ...
(a) Sodium (b) Iodine (c ) Gallium (d) LeadName the following : (a) A metal which is preserved in kerosene (b) A lustrous coloured non-metal (c ) A metal which can melt while kept on palm (d) A metal which is poor conductor of heat.
百度试题 结果1 题目3. Which of the following is the best conductor of heat?(1) A paper plate(2) A metal plate(3) A ceramic plate(4) A wooden plate 相关知识点: 试题来源: 解析 2 反馈 收藏
Why are metals good conductors, both of heat and electricity? Why is insulation in an attic commonly thicker than the insulation in the walls of a house? Why k is infinity for conductors? If air is a poor thermal conductor, why doesn't it keep you warm in the winter?
百度试题 结果1 题目【题目】48. Which of the following is the best conductor(导体) of heat? A. A paper plate. B. An iron plate. C. A china plate. D. A wooden plate. 相关知识点: 试题来源: 解析 【解析】B 反馈 收藏
A pack is made of material which is a poor conductor of heat and has parts where plastic material can be welded together. Those parts are treated or coated with a material which absorbs, (pref.) h/f energy and is pref. a ceramic of oxides of their compounds. ADVANTAGE - The packing ...
Which of the following will radiate heat to a large extent? (a) Rough surface (b) Polished surface (c) Black rough surface (d) Black polished surface Black Body A black body is an object which neither reflects nor trans...
4 (a)(i) Name the process by which thermal energy is transferred through a metal rod.4.0[1](ii) Describe how this process occurs.[2](b)An iron rod and a copper rod of equal length are each held by hand at one end, with the other end in the flame from a Bunsen burner, as sho...
D.Mercury is a poor conductor 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 CMass is not equal to weight in meaning.Weight is the force caused by the Earth.The mass of an object is not changed because of the different places.The weight of the car is the force act...