Exam Definition and 920 Threads

Just panicking before exams, thanks to everyone who can clear things up for me across the sciences. You are doing a great service. Immense thanks again, enjoy your weekends!

A senior police officer was caught cheating in an LLM exam by the invigilator at a college near my place. He was writing his LLM annual examination on constitutional law and was found carrying photocopies of the subject...

1. Homework Statement If the optical path diff between two light waves is lambda/2 will they always interfere destructively? if this in true then wherever one wave undergoes aphase change of pi at one surface and the second wave does not then these two will always interfere destructively...

Could someone please explain this question to me I'll include what I thought the answer was and the actual SQA answers. Please can you read my answer just to see what I'm doing wrong and what I don't understand It's from the 2009 past paper AH physics Thanks so much I really appreciate any...

Little bit stuck with this practice question for my exams, how do they suppose I work out the length of the individual beams or height of the framework without an initial length? Is there a secret way I've never heard of? Any help would be appreciated, it's foundation degree level but probably...

Homework Statement Write a small c-code (not a subroutine, no header etc, only part of code) that take the mission time and the on-board time and combines these into SSP time. SSP stands for Surface Science Package Homework Equations See the Variables in the figure below...

Homework Statement [/B] The exam example is in these links ; front page and back page https://cdn.fbsbx.com/hphotos-xpt1/v/t59.2708-21/11169323_874534665921021_720435467_n.pdf/front-page.pdf?oh=f0356d9fdc9617310cae5c7a6e8b4a60&oe=554068FD&dl=1...

Hello everyone. Well, there is this new exam or competition coming up tomorrow. Something about a combined math and physics qcm. And I don't know if it is an iq test or what. I only know that it is the second time that they are doing it in lebanon and that others countries and nations are...

After taking an exam, how does one put their mind to rest and calm down about possible errors they made? I took a quantum exam and made two errors that I realized after leaving, one was an algebraic error (We had to solve for the integral of x^3*e^(-ax) from 0 to infinity. Turns out there was a...

Please note that I am not asking how to do this question. It is not homework. :) This is part of an externally set exam that some of my students sat, and with which I am disappointed with the "officially" correct solution. To me the solution is reasonably straight forward, however many people...

Hello, i was practicing for an exam and i found this problem on my book: A block of mass 3.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the horizontal as shown in the figure. The coefficient of static friction between the block and the wall is 0.244. a) Determine...

I'm studying for my prelim and am trying to understand inductance better based on some questions I have done I've come up with these statements can anyone confirm they are true the back emf in an inductive circuit at any given time equal to the voltage across the inductor I initially thought...

Hello everybody, About one month later I have PhD exam and urgently I need a book just including questions and answers of quantum mechanics. Can anyone guide me please? Hope to hear from you. <<Mentor note: Personal identifying information removed.>>

Hi, everyone. I just wanted your advice as at bachelors level, how much material you need to study for a topic? For example, if you're asked to describethe valance bond theory applications in chemistry, should I study and write the points of VBT and give 4-5 applications and explain the theory...

So I could need any advice concerning the GRE subject exam in Physics. What book to buy is exactl what is going on now in mind. I know there are several publishers with different authors but I can't decide what to buy knowing that time is not on my side. I not GRE books then I might need...

Hello, I would like to apply for Masters Course in Italy. Being an International student do I need to give IELTS/TOEFL for admission?

Dear P.F. friends, I am a college sophomore with double majors in microbiology & mathematics, and I am currently trying to prepare for the Calculus II credit examination (which is on next Wednesday) to get a credit for Calculus II in my college and take a linear algebra and multivariable...

I'm part of the math club at my college. Recently the professor who runs the club a mock Putnam exam using the same test format (two three hour sessions) with problems recycled from old tests. I didn't know exactly what I was walking into since by an odd coincidence "Putnam" also happens to...

Hi, I was leafing through some old exams of our Real analysis course, and I found this puzzling problem: "Let A⊂ℝ be Lebesgue-measurable so that for all a∈A, i = 1,2, ... (1) m1( {x∈ℝ | a+(3/4)i-2 < x < a + i-2} ) < i-3 Claim: m1(A) = 0." Initially I thought this may have something to do...

I passed my exam but I blanked out at this question and have no idea how to answer it. I think it want me to prove the formula with its corresponding SI units? Question: In the kinetic theory of gases, the absolute temperature of a gas given by T= mc^2/3k where m refers to the mass of gas...

My QFT professor said he taught graduate QFT at Yale in the Fall of '96 and that the course he is currently teaching us is almost identical to it. If possible, I would be interested in seeing the exam papers. I've googled but that yielded nothing. Is it possible to view past exam papers from Yale?

Hello all, I'm looking for some guidance on my current situation and was hoping for some insight form those who might would know. I currently have a BSMET degree for Georgia Southern University. Since graduating I've had 2.5+ years of CAD experience using NX7.5 working for GE Gas Turbines...

Hi everyone, I haven't been successful in Discrete Math this semester. I have finished all of the calculus I-III series and I did very well. I want to know if anyone can give me some tips on how to study for my final coming up in a few days. Now, I understand that is a vague question but I am...

< Mentor Note -- thread moved to HH from the technical PF forums, so no HH Template is shown > Hello! So our teacher puts some really hard questions in acids and bases exams, and I would like someone to help me find similar questions and know how to solve these questions.. So the first...

Homework Statement Let X be a normal random variable with mean 80 and standard deviation 5. What is the probability X is greater than 87? Less than 74? I understand how to compute the z score but I'm confused as to when I have to keep the number from the z-table or subtract 1 Homework...

Homework Statement...

Hi, I don't know if this is the best place to post thia, but I'll give it a try :-) I'm taking the SAT subject tests physics, math level I and level II, and the ACT test thia coming year. As I'm not following a high school curriculum, and am merely studying on my own, I really have no idea of...

Hi, I came across a question in an exam which I couldn't really relate to any topic of physics, that I had studied. It goes like this- A detector is used to count the number of gamma rays emitted by a radioactive source. If the number of counts recorded in exactly 20 seconds is 10000, the...

I'm looking for good books to give me some more "taste" on beautiful aspects of QM. I'm actually studying for my undergraduate exam on the 27th november that comes in a strong academic flavour and would love a relaxed but deep reading. For example i totally loved Robbins's "What is...

I have a scenario where I have a list of 30 subjects that might appear in an online exam. of the 30, only ten will actually appear in the exam and of those 10, I must select 5 to write a paragraph on. Given that I have the list of thirty, how many paragraphs would I need to write in advance to...

Hi, I am going to take PGRE this 25th October. as my country does not arrange it, I need to fly to another, so I need to know the materials I need to bring in the hall. I have my GRE admision ticket printed. what else should I carry with me? pencil, paper, food ?

1. The problem statement Peter threw 10 (same) coins into an empty container (a tube/drum), which was floating in A LIQUID. The diameter of the container was 2,257 cm, and so because the container is a tube the surface of the tube was equal to π times the diameter squared. He measured, after 4...

hey everyone so i just took my calc 2 exam and the whole class basically bombed it. the professor is giving us a chance to retake the exam or to keep the score we had the first time around. the exam is on integration by parts, trig sub, trig integrals and partial fractions decomposition. i got a...

i have a calc 3 test on monday and i don't know why but I AM TERRIFIED. probably because i have an exam for econ the same day. any exam or pre-exam tips? how not to be afraid?

Homework Statement An experiment was conducted to investigate the time it takes water to pour out of a can through a little hole and the amount of water in the can. To find the dependence on the size of the hole, five large cylindrical containers of water of the same size were emptied through...

Hi, Let y= |sin(x) + cos(x) + tan(x) + sec(x) + csc(x) + cot(x)| Find the minimum value of "y" for all real numbers. Graphing is not allowed, no devices, calculators whatsoever. Its VERY hard to find where this function = 0 analytically so it is better to take two different...

It's been such a long time since I last worked with maths (~8-9 years). I am seeking a popular advanced math curriculum for a non-math major to warm myself up for a coming entrance exam to a graduate school. Links to free materials online would be the best offering! Thanks!

Homework Statement Hello, I am preparing a condensed matter exam and I was wondering if I could get some help on the following question from a past exam paper: Show that for the free electron gas at zero temperature the Fermi energy is given by: ε_{F}=\frac{\hbar^{2}}{2m}(3π^{2}N)^{2/3} and...

Hey! I'm planning on applying at some schools in the US next year/this year and I need ot take the GRE exam this fall. I've looked at some old exams and they look pretty straightforward, but I was wondering if anyone knew any resources for the physics exam (i.e. practice tests etc.). Thanks!

Long story short: I have a B. Sc. in EE, and currently doing PhD in Experimental Condensed Matter Physics. I plan to go for industry. I found that it would not be difficult for me to pass the Electrical and Computer PE exam (both the "Computer Engineering" and the "Electrical and...

I'm trying to work out what 3.d) is meant to be. I'm not entirely sure which part of the antenna it is referring to; I assume it's referring to width of the gap between the feed and the patch. If this is the case, I have no idea what width one would want to make it. I would've thought as small...

Your help would be greatly appreciated 1. If an object is dropped from a cliff, how many seconds will it take to have a speed of 80m/s? would gravity be taken into account? This question seems weird because you usually get given 2 variables to get the third, unless I am missing something...2...

For example: 17/30 for class assessment (worth 30% of final grade) 18/30 for assignment (worth 30% of final grade) How do you figure out how much you would need for the final exam (worth 40% of final grade) Thanks!

First, hopefully this is in the right section. So I am looking for the best way to prepare for the new FE Mechanical exam. I know that the format changed in January 2014 so I am having a hard time finding the best books and study materials for this new format. In Google searches results come up...

I am giving three AP late testing tests (Mechanics, Calculus BC, Chemistry) in the next two days. Usually, I would be in panic mode at this point of time. However, I am normal, relaxed, just finishing up stuff for the exam in a casual (but thorough manner). I went through a couple of sample...

Homework Statement I have been able to complete all questions apart from part e) Homework Equations Beta minus decay involves electron emission Beta plus decay involves positron emission Electron capture takes in an electronThe Attempt at a Solution I believe that because there is an...

Homework Statement I have this packet and one of the questions state: The constant force F with components Fx=3N and Fy=4N act on a body while that body moves from the point P (x=2 m, y=6 m) to the point Q (x=14 m, y=1 m). How much does the force do on the body during this process? the options...

Hey guys, I am studying astrophys but i have a programming module, so hopefully this is the right place to ask. I have a few questions that I am having difficulty with so I am going to pose it in the form of a program if that's cool? I can then take it apart to see how its done. I'd...

I'm going to take the Mechanical FE Exam, does anyone have any suggestion regarding which review or question book/ resources may be more helpful to study? ( beside the NCEES Reference Handbook) Thank you in advance for sharing your experiences.

I'm studying using the popular Lindenberg book. It suggest I have to memorize about 30 elements and their respective oxidation numbers. However, the book was written before they revamped the exam. Anyone know if I still have to memorize this?