# What is Lab report: Definition and 76 Discussions

Lab Report was an improvisational, dark ambient, band created by Matthew Schultz, Eric Pounder and Chris Blazen in 1989. The experimental project gained notoriety as one of the earliest dark ambient musical projects stemming from the Industrial music genre.

View More On Wikipedia.org

2. ### Assistance in cutting down unneeded information in physics report

I have been able to cut it down quite a bit and when I worked out the uncertainties and made the conclusion my teacher was unsure about my uncertainties.
3. ### How to calculate gating time from the rate of the random coincidence?

Hello everyone, I am now doing experiment related to quantum erasure. After plotting the correlation measurement with and without blocking one of the polarization from the SPDC source (say, V polarization), I do not know how to work further on the gating time from the rate of the random...
4. ### How do I calculate static and dynamic pressure for a wind tunnel lab report?

how do I calculate static and dynamic pressure for the wind tunnel lab report, drag force, and lift force? Please, anyone? thank you.
5. ### Labwork Statistics help: Average of averages

I have done the experiment, and have a lot of data. For each data point (we have five), we did ten repetitions, for which we need to do video analysis. The analysis works frame by frame and gives a velocity between each frame. So, to get the value of one repetition, we already need to calculate...
6. ### Physics lab report calculating resultant forces -- help please

i have attached my attempt above i have sent it to my teacher and he said i should fix the mistakes and resend it
7. ### Inclined plane pulley problem -- lab report help please

a=m2g-m1gsinø-m1gcosøu/m1+m2
8. ### Calculating Measurement Error for a Digital Lux Meter

Homework Statement For my lab report I am asked to calculate the error of a couple of measurements which I did with a lux meter. I know that the lux meter has tolerance(or accuracy?) 5%. The instrument is digital and it's last digit is 0.1. The maximum reading is 47.5 lux. Homework Equations ...
9. ### Lab Report Help -- total amount of CaCO3 in an unknown antacid tablet

Homework Statement Hello, I am currently attempting to complete a lab report involving the calculation of the total amount of CaCO3 in an unknown antacid tablet. This was done by calculating the pressure inside a flask before the reaction, then relating it to the pressure after the reaction...
10. ### How the angle of launch affect the range?

Homework Statement I'm about to conduct an experiment about factors that affect the flight of an elastic band. The aim of this experiment is to find how the angle of launch, when shooting a rubber band, affects the range or distance of the shot. Do you suggest to consider the drag force? like...
11. ### Free Body Diagram lab report -- General Question

< Mentor Note -- thread moved to HH from the technical forums to use a scpecific schoolwork problem to illustrate the general concept of torque in a FBD > I'm writing up a lab report for Physics class and I have to draw FBDs for torque being applied to a ruler resting on a pivot point. I've...
12. ### Fluids Lab Report Homework: Venturi & Orifice Coefficients

Homework Statement I have to write a report based on an experiment I conducted with the class in the school lab. The experiment was about orifice plate meter and venturi meter (both to measure rate of flow of fluids; this is an introductory fluids mechanics module I am studying). The...
13. ### I How Do You Calculate Error with a Single Measurement in Physics Lab Reports?

I'm currently in first year engineering and I seem to be struggling with Physics, which is not unlikely uncommon. A simple problem I've come across is not doing correct error analysis when writing up lab reports. In my current lab, which is justifying the relationship of angular frequency...
14. ### Lab Report: Significance of Protein Tests

Homework Statement Hi! So I'm trying to write a lab report about testing BSA solutions for protein concentrations using a Biuret reagent and a spectrophotometer. There is a portion that asks you to give some practical applications for this test and how it applies to biology. The only thing I...
15. ### How Should Null Results Be Reported in an Astrophysics Lab Report?

Homework Statement I'm writing a lab report about an experiment I did where I essentially tested the effects of various planetary characteristics on a planet's orbital period. The planetary characteristics that I tested where eccentricity, mass, and distance from the Sun (or semi-major axis)...
16. ### Other Coping with Lab Reports as a Physics Major

Hi all, I'm a newcomer to these forums and this is my first post! I'm currently a freshman physics major, and I was hoping that I could get a little guidance from here. I'm well into my second semester and I've been enjoying most of my maths and physics classes. However, I've identified that a...
17. ### Calculating errors after curve fitting (linearizing) graphs

Homework Statement I did a lab this week measuring periods of swings of a simple pendulum. We need to curve fit the equation T=k*l^n and we got ln(T)=n*ln(l)+ln(k), and we need to plot the data we collected into the linear graph, meaning out y axes is ln(T) and our x axes is ln(l). So far all...
18. ### Plagiarism in joint lab report

Not so much homework question, more about experience doing homework. You have likely had experience writing lab reports quite long. I have a partner and I am worried that he is doing what my university would consider plagiarism. I've asked him about it and got nothing back. To give context he...
19. ### I in deciding what my error bars should be

So, we did an experiment to find the dissolved oxygen concentration in % over time in a stirred tank reactor at 2 different flow rates and at 3 different agitator speeds. We did not do any repeat measurements, it was just one reading per condition. Now I am confused what sort of error bars I...
20. ### Need help with physics experiment (Speed of sound)

< Mentor Note -- thread moved to HH from the technical physics forums, so no HH Template is shown > Last week we had to conduct an experiment with the aim of determining the speed of sound. I decided to play with doppler effect. I was more or less sure what I had to do but then the teacher came...
21. ### How Do You Measure Absolute Capacitance with a Ballistic Galvanometer?

My question is : What is the absolute capacitance?In my electricity lab, I was assigned to prepare a report on measuring absolute capacitance of a capacitor using ballistic galvanometer. I am familiar to the term self capacitance but not the absolute one. My mentor asked me to find it out by...
22. ### Lab Report- Circuits Calculating Resistance and Current

I am struggling with doing calculations for a physics lab report. I understand how to calculate the equivalent resistance and the voltage of the battery. I am struggling with calculating the resistance of each resistor and the current of each resistor. I am sorry but I am getting very...
23. ### Physics Report Help -- Simple Harmonic motion and Elastic force

Homework Statement So I have to write a report based on an experiment that I have conducted. I know that my report is connected with Simple Harmonic motion and Elastic force, but I do not know how to describe it in a more efficient/scientific way. Essentially, I am dropping a weight (constant)...
24. ### Hello, I need some clarification with my lab report

Homework Statement Would it be possible for someone to look over the parts of my lab report. If there is anything that I did not mention in the abstract, please inform me. I wasn't sure how I should end the paragraph. My teacher wants us to write our opinion on the success of the experiment...
25. ### Energy of Conservation Lab Report Question

Homework Statement In this experiment we tied a cart to a hanging mass and measured the velocity as it passed through a gate, and recorded the mass of the cart. I calculated the potential and kinetic energy of the hanging mass and when I subtracted the potential from the kinetic, I got a...
26. ### Exploring Pulsars: Age, Pulse Height, and Distance through Radio Astronomy

Hey guys, I'm in the middle of writing a lab report and I'm having trouble with my abstract. I know as a 3rd year uni student I should know how to write one by now. I feel it's a bit long, what do you think? How could I improve? I'm not asking you to write it for me just some hints. The...
27. ### Lab report - How to write better lab reports in chemistry?

lab report -- How to write better lab reports in chemistry? Hi, I get very grateful if you help me get exampler on lab reporter on chemistry. I just want to read them, how can you write a better way because I'm not erfaran on engliska.
28. ### Does pH Affect Enzyme Activity in Cornstarch and Saliva?

Homework Statement Hi, I was working on my lab report and I got stuck. I was trying to get some input please. So my experiment was to put 2ml of cornstarch, 2ml saliva, 2ml HCl. I vary the HCl concentration in 3 test tubes. I have one test tube that is just 2mL HOH. I added iodine in and I...
29. ### Why is the Reaction Rate Directly Proportional to Sulfuric Acid Concentration?

The reaction I did for the lab is: H2SO4 + Mg --> MgSO4 + H2 In my graph, there displays the two variables - the concentration of sulfuric acid and the average rate of reaction in direct proportion. How do I explain the trend? I know I can explain this qualitatively using collision...
30. ### How long does it take you to write a prelab or lab report for chemistry lab?

How long does it take you to write a prelab or lab report for chemistry lab? And what grades do you usually get for these assignments? I spend like at least 2 hours writing a lab report because I want to get a perfect grade. Also, I spend quite a lot of time on a prelab too, because I'm scared...
31. ### Atwood's Machine (Help with Lab Report Conclusion)

All that's left to write in my lab report is the conclusion, and I'm failing to understand what my professor is requesting of me. In the guidelines it says, "Compare your measurements to the expected values. State and discuss whether your results are in agreement with the expected...
32. ### Help with Lab Report Ohm's law

I have some problems with my lab report. The teacher is dealing with us as expert in physics but I don't understand many things. She told us to find the uncertainty and percentage error , even though she didn't explain anything and I'm completely lost. I tried my best but I'm not even sure...
33. ### Anyone want to critique a lab report (chemistry)?

Homework Statement I've not written a lab report since prep school and I need some critiques (thorough). see attached Homework Equations The Attempt at a Solution
34. ### How Should a Lab Report Analyze Friction Coefficients in Experiments?

Homework Statement I would like some analyses criticisms. This is what my analyses should contain - An analysis and discussion, which minimally should address the following: o A summary of your results. o A justification for procedural decisions. o An analysis of the graphs, and...
35. ### Solving Heat Transfer Coefficient Error: Lab Report Analysis

Homework Statement This is a lab report that I'm working on. I'm almost done, except for the last part which consists of finding the error in the result for our heat transfer coefficient h using Newton's law of cooling. I've tried this in different ways but I can't seem to get it right. We...
36. ### Help! Can't Find Primary Sources for Lab Report

Hi. I've been having problems finding some primary sources for my lab report for days. I've used my school's search engines, but I can't find anything appropriate to use. My report will sum up my experiment on how pH affects an enzyme's activity (catecholase catalyzing catechol and oxygen to...
37. ### Scilab codes for a lab report for Helmholtz

Homework Statement It is actually not homework, but I found it is cool to solve it in Scilab, and I think that it is more proper to ask it here write the codes for (please read the picture)Homework EquationsThe Attempt at a Solution u=1.256637061*10^-6 N=320 R=0.136/2 a=2*R Z= [-0.17 -0.15...
38. ### Perfect Physics Lab Report: A Student's Guide

i am a A student in my university , and i just want to keep it that way can anyone give me an idea for reaching a perfect physics lab report and thank you
39. ### Citing a source for a value in a lab report

Homework Statement I wasn't sure what section to post this in, but for my honors lab, i need to cite sources on values or theories that i include in my lab report like normal. Yet I'm having trouble finding a decent source for the speed of light and the index of refraction of air. I...
40. ### Chi-Square in Fraunhofer Approximation Lab Report

Hello there if anyone could help me out with this question I would very much appreciate it. (Note this is my first post) For my optics lab Fraunhofer(single slit) diffraction patterns were observed(measured distance to screen(x) and had readings for intensity in the y direction.) I...
41. ### Best way to graphically draw vectors for lab report?

Best way to graphically draw vectors for lab report?? Homework Statement I've been feverishly trying to get my vectors drawn professionally for my lab report. The idea is that I need to find out the vector addition of two vectors graphically. The whole lab report is expected to be as...
42. ### Faraday's law lab report problem with equations and graph(slope)

Homework Statement the problem is we drew up a graph o E^-3/2(y) against Z^2(x) so the slope is [E^-3/2]/[Z^2]=m we need to rewrite equation three given that z is not equal to zero and then get a final equation like four. we need to isolate (a) so we can determine a value for it using our...
43. ### Creating a Lab Report: Measurement and Precision

Homework Statement In class we all measured a sheet of paper with a meter stick. We measured it in meters, and guessed about what the size is in meters. Then we did the same with decimeters, centimeters and millimeters. The measurements we got were .3 meters, 2.8 decimeters, 27.9...
44. ### May i ask where can i read some sample good lab report?

I do not know how to write physics lab report and error analysis. Are there any sample on some websites?
45. ### Lab report least square fiiting line error ?

lab report least square fiiting line "error"? what is least square fiiting line "error"? y=A+Bx It is said that there is errors involved in A and B;So the least square line has to be compared to some other lines to determine the errors. But how to do it? Are there any formulas?? Thank you!
46. ### Combining Equations for Lab report

Homework Statement I'm doing a lab report for frequency vs centripetal force and frequency vs radius. I have two tables and I have found the equations for both the graphs. When I combine the equations, should I make another table and how would it look like? Homework Equations f = c0.5 f...
47. ### Do Lab Report Graphs Need to Include the Origin Point?

Homework Statement I have to do a lab report on centripetal force, frequency and radius. My question is, does a graph have to show the (0,0) points? Also, I got an equation out of the graphing software for one of the graphs and it was y = 1.51x^0.4233, is it okay to use this equation or y =...
48. ### Tips for Writing a College Lab Report: Expert Advice and Student Insights

Now, before I begin, let me say that I have no idea where this would go. It's homework, and it does pertain to introductory physics, but I'm really asking more for general tips than answers to any specific problem. So, I have a lab report due in about 9 hours. I've already gotten part of it...
49. ### Projectile Trajectory (I'm confused about the lab report)

The experiment was to measure muzzle velocity of a ball fired by a 'spring gun'. Then to use the equations of projectile motion in order to determine the projectile trajectory. During the experiment we used a variable-height platform to stop the ball mid-air (at y = 0.4 m & y = 0.1 m). Now we're...
50. ### What Factors Influence the Bending of a Wooden Block with Suspended Masses?

A wooden block is clamped at one end so that it projects horizontally from the clamp. A mass is suspended from the block causing it to bend. Investigate one factor that affects the amount of bending. I have to 1. Find a research Question 2. Find a Hypothesis 3. Identify dependant...