Grade 11 Physics - 2023/2024

For those of you that are interested, the advanced prize information for this year's Nobel prize in physics is an interesting read.

Here's the PDF https://www.nobelprize.org/uploads/2024/09/advanced-physicsprize2024.pdf

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Kids, I've sent an important email on nomination scholarships earlier today. It's my understanding everyone will check their emails but I've been wrong before and I really want to stress that y'all install Classroom and check your emails on a very regular basis.

To everyone in grade 12, there's an urgent meeting with the school at 8:30AM in the morning today. Please show up ASAP.

I am also grading your exams as I am writing this and it seems as though we need to revise or at least solve the exam together. To that end, we will have a meet tonight at 8 PM at the following link: https://meet.google.com/qzc-wsvt-iea

Reminder: Read full email here.


Select units for review: https://forms.gle/w75u1Dw3wfBjsjTBA

Student of the quarter (section A): https://forms.gle/J9hLABhETGfmbAof9

Student of the year (section B): https://forms.gle/pu1YCNKtzFVogQQZ6

Chemistry notes

Funny thing happening today is probably one of the worst internet outages in history.

Linux users stay undefeated🦾🦾

Read more here: https://www.bbc.com/news/live/cnk4jdwp49et


Edit: it is not funny - sad, actually.

Chemistry notes

Your final grades out of 100 have been posted to grade viewer and you can view your grades online as usual.

- https://viewer.physics.stjohn.edu.et/
- https://gradeviewer.kebede.org/
- https://pysm3bot.t.me/ on telegram

I have also included letter grades in the very last column. Here are some stats
A+ --> 1 student
A --> 11 students
A- --> 13 students
B (including B+ and B-) --> 40 students
C (including C+ and C-) --> 28 students
D (including D+ and D-) and below --> 43 students


A+ (97–100), A (93–96), A- (90–92), B+ (87–89), B (83–86), B- (80–82), C+ (77–79), C (73–76), C- (70–72), D+ (67–69), D (65–66), D- (below 65)

Final Prep

- Download Final Prep - https://physics.kebede.org/23-24/4Q/finalprep/main.pdf

- Read Final Prep - html - https://physics.kebede.org/23-24/4Q/finalprep/main.html

- Read Final Prep - lite - https://physics.kebede.org/23-24/4Q/finalprep/lite.html

For the nuclear physics part, studying the slides and understanding the problems there is enough.

In full transparency, not everything posted here will be on the exam. For example questions regarding internal resistance & terminal voltage (e.g., q #29, #30, #36), and also common voltage in capacitors (e.g., q #34)

There was a minor error for people whose Hash IDs are just numbers, which has been fixed - a bug appeared which has been squashed -:)

Important Announcement

You can view your available grades online

- https://viewer.physics.stjohn.edu.et/
- https://gradeviewer.kebede.org/
- https://pysm3bot.t.me/ on telegram

All available grades have been posted to the grade viewer. If you need clarification on the continuous assessment grading, it is all broken down into these 5 main sections.

- Midterm - 20%
- Homework - 15%
- Classwork, Lab & Notes - 10%
- Group Project - 10%
- Class Activity - 5%'

The midterm was already graded out of 20%, so there is no need for clarification on that.

As for the Homework, you had 7 homework projects which means, we need to do some math. You convert each one to 10, add them all, and then divide by 70 and multiply by 15 to get your total out of 15.

For the Classwork, Lab & Notes part, you add each classwork assignment & notes and convert them to 5, and then divide the lab results by 5 and add those two together to get your results out of 10.

The Group Project is graded out of 20 (instead of 30 as I had originally hoped since there was no quiz). The grading rubric that was posted would explain the grading.

There you go.

I mistakenly made the claim that the word neutrino was derived from Latin, but it's actually derived from the Italian word for neutron. Biruk repeatedly corrected me in class and now too haha.

In my defense, Italian and Latin are very similar.

It has come to my attention that some grades for 11B students were not posted. I have updated Gradeviewer to include the missing grades.

Group Project and Homework 7 grades have not been posted and will be posted later tonight.

Most of your grades have been posted to Gradeviewer, please check your grades and let me know if your grades are missing. If you have forgotten your hash ID, email me.

You can view your grades using the following options.

- https://viewer.physics.stjohn.edu.et
- https://gradeviewer.kebede.org
- @pysm3bot on telegram https://pysm3bot.t.me

Another thing is the extra credit I gave. No one has (yet) been able to find the changes I was referring to. Here is a simple hint - look at the code repository from last year: https://github.com/sjphysics/course-archive

Chemistry notes

Reactions of aldehydes and ketones - https://physics.kebede.org/23-24/4Q/chemfi/notes.pdf