de kiem tra tap trunh khoi 8 nam 2014

... dao động tổng hợp hai dao động có: a) f= Hz A= 2cm b) f = A= 2cm c) f= Hz A = 2cm d) f = 3Hz A= 8cm Câu 13 : Một vật thực đồng thời hai dao động phương x1  sin 2t x  cos(2t   / 2) Khi : ... hai điểm dao động ngược pha phương truyền sóng d)Là quãng đường sóng truyền thơì gian giây Câu 18: Quá trình truyền sóng là: a) Quá trình truyền phần tử vật chất pha dao động b) Qúa trình truyền ... dần theo thời gian c) Khoảng cách hai nút hai bụng liền  d) Có nút bụng cố định không gian Câu 28: Sóng dừng tượng giao thoa cuả hai sóng a) Cùng biên độ, tần số, pha b) Cùng tần số, pha, khác...

Ngày tải lên: 28/10/2013, 22:15

... vuông góc với mặt phân cách hai môi trường c) Hai môi trường có chiết quang d) Cả câu b c Câu 18 : Đối với thấu kính phân kì, vật thật qua thấu kính cho : a) Aûnh ảo, chiều lớn vật b) Aûnh ảo, ... vô cực Câu 27 : Độ tụ thấu kính hội tụ có tiêu cự 20cm : a) 0.05dp b) 5dp c) 50dp d) 0.5dp Câu 28 : Trong tượng khúc xạ ánh sáng, tia sáng bị đổi hướng : a) Tia tới trùng với mặt phân cách hai ... tia sáng truyền từ môi trườn chiết quang sang môi trường chiết quang góc khúc xạ nhỏ góc tới trungtrancbspkt ...

Ngày tải lên: 07/11/2013, 19:15

... TẠO HÓC MÔN ĐÁP ÁN KIỂM TRA HỌC KÌ I NĂM HỌC 2009-2010 MÔN ĐỊA LÍ KHỐI LỚP Nội dung Câu 1: điểm + Khí hậu gió mùa: phạm vi ảnh hưởng bao gồm khu vực Đông Á, Đông Nam Á Nam Á Đặc điểm khí hậu gió ... Tây Nam Á.Đặc điểm khí hậu khô hạn, hình thành nhiều vùng hoang mạc bán hoang mạc trung Á, Tây Nam Á Câu 2: điểm Đặc điểm phát triển kinh tế - xã hội nước lãnh thổ châu Á nay: Sau chiến tranh ... phát triển nước châu Á không đồng đều, quốc gia nghèo khổ chiếm tỉ lệ cao Câu 3: điểm - Khí hậu: Nam Á có khí hậu nhiệt đới gió mùa điển hình Sự hoạt động gió mùa kết hợp với địa hình khu vực làm...

Ngày tải lên: 09/11/2013, 13:11

... modern man has made a rubbish tip of the Earth In one minute, he has increased his numbers to terrible proportions and has caused the death of hundreds of species of animals He has robbed and destroyed ... won’t let you borrow it 48 The train had already left before i got to the station A When I got to the station, the train had already left B When I get to the station, the train has already left ... D) that fit him or her 42 Because ( A) they had spent too many( B) time considering ( C) the new contract, the students lost the opportunity ( D) to lease the apartment 43 These ( A) televisions...

Ngày tải lên: 23/07/2014, 06:20

... A However B Despite C Although D No matter 21 Mum is always busy _ her work in the laboratory A with B at C in D of 22 It was once _ the earth was flat A considered B decided C feared ... job A Joan finally succeeded at getting a good job B Joan finally succeeded in getting a good job C Joan finally succeeded on getting a good job D Joan finally succeeded to getting a good job ... also involve traveling to other towns to play against other school teams and then 37 _ on after the match for a meal or a drink Sometimes parents, friends and other students will travel with...

Ngày tải lên: 23/07/2014, 06:20

... the train if we don’t hurry up A We won’t miss the train unless we hurry up B We won’t miss the train if we hurry up C We will miss the train unless we don’t hurry up D We will miss the train ... completion of a chore will be settled by Mom or Dad 36 A needed B contrary C important D close 37.A each B All C some D No 38 A made B solved C done D left 39 A from B by C on D in 40.A until ... 27 I have no idea how to…….this kind of business A turn B make C take D run 28 The front gate gave way under the……….of the crowd A pressure B force C task D pull 29 Mom……… to Nha Trang A has ever...

Ngày tải lên: 23/07/2014, 06:20

... evening 48 “ Don’t talk in the class,” the teacher said A The teacher told his student not talk in class B The teacher told his student did not talk in class C The teacher told his student not ... daytime B every day C day after day D today 38 According to the passage, what did people have to first to settle an area? A To develop recreation ideas B Build farms C Get rid of the trees D Invite ... frontier areas were heavily wooded, and in order to settle an area it was necessary to remove the trees A settler could cut down the trees alone, but help was needed to move the cut trees After...

Ngày tải lên: 23/07/2014, 06:20

... She has her bike stolen 48 Susan is more attractive than her sister A Susan’s sister looks attractive B Susan’s sister is not as attractive as her C Susan is not so attractive as her sister D ... was working 42 Mary was determined to leave the office by 4:30 for catching the early train home 43 Their free trip, which they won on the television game show, include four days in London and ... order for the sentence to be correct by circling letter A, B, C, or D Mark your answer on the answer sheet 41 John announced that he could not longer tolerate the conditions of the contract under...

Ngày tải lên: 23/07/2014, 06:20

... schemes can be identified in this passage? A hierarchical order and order by topic B order by topic and cause and effect C hierarchical order and chronological order D chronological order and compare ... compare and contrast 32 Which of the following ideas is not included in this passage? A You can reduce your $130 monthly lighting costs to $65 by using fluorescent bulbs instead of in candescent B ... The older members are ……………… work hard and the young men go to the cities to look for jobs Those who are left behind have an ever –greater burden to bear 36 A way B attention C tendency D guide...

Ngày tải lên: 23/07/2014, 06:20

... can’t see the dark side of Mercury from the Earth A The dark side of Mercury can be seen from the Earth B It’s possible to see the dark side of Mercury from the Earth C The dark side of Mercury can ... be paid C will pay D should be paid 29 The number of Vietnamese sport officials and referees of international standard _ regional tournaments has increased rapidly A hosting B achieving C succeeding ... and girls Each day, before going to bed we often discussed places to visit the following day We decided to visit Buckingham Palace We arrived at the palace early in the morning It was very hot It...

Ngày tải lên: 23/07/2014, 06:20

... attended B have had C must have attended D must attend 38 Let's go to the office now, _? A shall we B let we C will we D we The Robinsons arrived in Vietnam when their _ Liz was in grade 39 ... because D despite 28 _ is very simple A What I want B I want what C I want what D What I want 29 _ I get, _ I am A The older/ the more happy B The more old/ the happier C The older/ the ... Robinsons arrived in Vietnam when their _ Liz was in grade 39 A old daughter B oldest daughter C elderly person D eldest daughter 40 This old custom _ hundreds of years in Poland is A will date...

Ngày tải lên: 23/07/2014, 10:21

... (19) the name of Mark Twain He sent them to newspapers The (20) loved his stories very much 11 A American B English C Australian D Russian 12 A pen-name B given name C surname D nickname 13 ... 64 A Wednesday B handsome C dependent D grandchild 65 A chamber B researcher C chemist D cheering 66 A gold B guide C goose D gist 67 A none B phone C stone D zone 68 A fasten B listen C often ... A from B in D onto C 26 We've decided to interview only ten _ for the job A applicants B applicable C appliances D applications 27 Artificial satellites provide data on atmosphere temperatures,...

Ngày tải lên: 23/07/2014, 10:21

... Encouraged by my success, Tom decided not to quit his work B To be encouraged by my success, Tom decided not to quit his work C That he was Encouraged by my success, Tom decided not to quit his work ... sounds (16) time this definition is obviously very broad, but a narrower one would exclude (17) much Music is part of virtually every culture on ( 18) , but it varies widely among cultures in ... list C title D menu 28 A words B phrases C works D letters like 29 A as B for example C D such as 30 A seldom B ever C not D never 31 Tom was encouraged by my success He decided not to quit his...

Ngày tải lên: 23/07/2014, 10:21

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