IYPT 2020 Problems – IYPT.org | iypt 2020 reference kit
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Pleaserefertothe officialandsignedpdf[1] astheauthoritativesource.1.InventYourselfDesignaninstrumentformeasuringcurrentusingitsheatingeffect.Whataretheaccuracy,precision,andlimitsofthemethod?2.InconspicuousBottlePutalitcandlebehindabottle.Ifyoublowonthebottlefromtheoppositeside,thecandlemaygoout,asifthebottlewasnotthereatall.Explainthephenomenon.3.SwingingSoundTubeASoundTubeisatoy,consistingofacorrugatedplastictube,thatyoucanspinaroundtoproducesounds.Studythecharacteristicsofthesoundsproduce...
Please refer to the official and signed pdf[1] as the authoritative source.
1. Invent Yourself
Design an instrument for measuring current using its heating effect. What are the accuracy, precision, and limits of the method?
2. Inconspicuous Bottle
Put a lit candle behind a bottle. If you blow on the bottle from the opposite side, the candle may go out, as if the bottle was not there at all. Explain the phenomenon.
3. Swinging Sound Tube
A Sound Tube is a toy, consisting of a corrugated plastic tube, that you can spin around to produce sounds. Study the characteristics of the sounds produced by such toys, and how they are affected by the relevant parameters.
4. Singing Ferrite
Insert a ferrite rod into a coil fed from a signal generator. At some frequencies, the rod begins to produce a sound. Investigate the phenomenon.
5.Sweet Mirage
Fata Morgana is the name given to a parti...
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