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EPO9, 9th Experimental Physics Olympiad; 9-та Олимпиада по експериментална физика

“Kelvin’s day”

Ninth Experimental Physics Olympiad (EPO9)


Some results. Please find attached the scanned works of some participants: Kristijan_Shishkoski_absolute_champion_EPO9_1st.pdf, Keventzidis_Iosif_L_special.pdf, Никола_Стамболић_L_3rd, Odysseas_Kominis_Altanis_L_special.pdf, Cristea_Beatrice_M_2nd.pdf. We suggest to analyze those works and repeat the experiment again in order to reach this level, which is actually one of the purposes of the Olympiad.

Sofia Branch (SB) of the Union of Physicists in Bulgaria (UPB), together with the Society of Physicists of Macedonia (SPM) and Regional Society of Physicists from Strumica (RSPS) are organizing the 9th Experimental Physics Olympiad (EPO9).

 

The Olympiad will be held in a hybrid mode: online and on-site participation, and the ranking will be separate for the two different modes. The Olympiad will be held on May 8 (Sunday), 2022. The ranking of the best participants will be announced later in the day. The date of the EPO9 was postponed to better times in this school year.

 

Online participants will receive the experimental set-ups by conventional mail prior to the Olympiad. The task of the Olympiad will be available online and sent by e-mail at the day of the Olympiad at 11:00 Central European Time (CET) (12:00 Sofia time). Students must have 2 multimeters, one of which should have temperature measurement capability with the corresponding thermocouple, connecting cables for the multimeters, a calculator, squared paper (graph paper), writing paper, and a pen. Online participants must take photos or scan their work and send it to the email epo@bgphysics.eu by 16:00 CET, i.e. 4 hours from the beginning of the Olympiad.

For the on-spot Olympiad held simultaneously in Skopje, R. N. Macedonia participants should arrive in Skopje around 10:00h. Participants will be seated at 10:30 and the Olympiad will start at 11:00h.

 

Registration. Registration fee for on the spot participants is 15 euro; free of charge for on-line participants. The Olympiad will consist of two rounds:

1) Selection round, where participants are asked to send the solution of a qualification task to epo@bgphysics.eu by 25th of April 2022 (hard deadline). The task is available in this text. Simultaneously with the solution of the task the participants has to send to epo@bgphysics.eu: a) His name as they wish to be written in the certificate for the participation, b) The name of the School, c) Town and Country d) Name of the mentor (if any) e) personal e-mail which the participant will use during the Olympiad using Zoom platform; the registration must be sent from this address.

2) The Olympiad round will be held on 8th of May 2022. The task in English will be sent to the participants by email, or a printed copy will be given in the auditorium for the on-spot Olympiad.

 

Set-ups:

On-line participants: after submission of the task for the first round to epo@bgphysics.eu participants have to submit to the same address the detailed street address to whom the set-ups has to be sent by organizers using regular post or another courier company: Name, Mobile phone number, Street address, Town, ZIP code, Country. For several participant from one school is better to use the institution address. Note: Four 9V batteries are not supplied in the package due to security reasons. Participants should provide their own four new 9V batteries.

 

Task for the selection round. One of the purposes of this task is to establish contact between the participant and the organizers of EPO9. For this task participants must have an instrument that can measure temperature. Participants need to measure the time dependence the temperature T(t) of a hot cup of tea or hot water until it reaches approximately room temperature. Measurements should be done at each degree Celsius and time should be shown in minutes and seconds (ex. 63oC – 02:27) in the interval from 75 to 35 degrees or maximum of 30 minutes. Plot this dependence on a graph: time t in the abscissa temperature in Celsius degrees in the ordinate T.

 

Age categories. Participants in the Olympiad are separated in the following categories: S, M, L, and XL. For different countries the educational system is different, but if physics is to be studied for 6 years on average at school, the S category is for the first 2 years, the M category is for the middle 2 years, and category L is for the last 2 years of high school. The XL category is for university students. A separate ranking will be made for each age group. The task of the Olympiad is actually a sequence of many related tasks, given as different sub-tasks with increasing difficulty – every participant has to do the best to solve these sub-tasks. The Olympiad is in experimental physics, but with these measurements taken, the understanding of what is being done will be necessary. Thus, there will be several entirely theoretical sub-tasks. The authors of the tasks have combined experiments described in various textbooks.

 

Sponsors of the Olympiad:

KEMET (a YAGEO company), https://www.kemet.com/en/us.html

FUTURE INNOVATIONS, futureinnovations.mk

SPM, dfrm.org

 

Updated information can be found on the website of the SB of UPB https://sites.google.com/a/bgphysics.eu/bgphysics/deynosti/epo .

Please spread this message among students and teachers.

 

With best regards,

 

EPO9, 30 March 2022, 19:50

 

EPO9 - Scientific committee:

-          Acad. Prof. Donco Dimovski (MK)

-          Acad. Prof. Petar Kenderov (BG)

-          Prof. Todor Mishonov (BG)

-          Prov. Aleksandar Skeparovski (MK)

-          Prof. Riste Popeski-Dimovski (MK)

-          Prof. Goran Djordjevic (Serbia)

-          Prof. Κώστας Βουρλιας (Greece)

-          Ass. Prof. Albert Varonov (BG)

-          Teacher Vince Accardi (Canada)

-          Prof. Andrey Varlamov (Italy)

-          Teacher Slavoljub Mitić (Serbia)

 

EPO9 - organizing committee

-          Prof. Lambe Barandovski (MK)

-          Prof. Todor Mishonov (MK)

-          Ass. Prof. Albert Varonov (BG)

-          Teacher Vancho Belchovski (MK)

-          Teacher Vera Zoroska (MK)

-          Teacher Marina Poposka (MK)

-          Leonora Velkoska (MK)

-           

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Todor Mishonov,
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