IPhO 2000
Country Student No. Question No. Page No. Total No. of pages IPhO 2000
FOGLIO RISPOSTE PER IL PROBLEMA SPERIMENTALE 4 (a) Questa parte consiste solamente di osservazioni da fare. Non comporta punteggi. (b)(i) (1 punto) Lungh.d’onda in nm Resistenza in Conduttanza in -1 (b)(ii) Tracciare, sulla carta millimetrata fornita, un grafico della conduttanza G del fotoresistore in funzione della lunghezza d’onda . (
2 punti) (c)(i) Inserire qui sotto i dati sperimentali (1 punto)
Country Student No. Question No. Page No. Total No. of pages IPhO 2000 (c)(ii) Tracciare, sulla carta millimetrata fornita, un grafico per mostrare che la lampadina A emette come un corpo nero. (1 punto) (d) Completare la tabella che segue: (3 punti) (i) Resistenza della lampadina spenta C, a 300 K RC1 = (ii) Resistenza della lampadina C quando appare come la B RC2 = RB = (iii) Temperatura comune dei filamenti delle lampadine C e B T2V = (iv) Resistenza della lampadina A, alimentata a 12 V. R12V = (v) Temperatura del filamento della lampadina alimentata a 12 V T12V = (e) Riportare i valori corretti della conduttanza G’ (in unità arbitrarie) nella tabella qui sotto. Tracciare sulla carta millimetrata un grafico corretto della conduttanza G’ del fotroresistorein funzione della lunghezza d’onda .. (2 punti) Lungh.d’onda in nm Conduttanza in -1 Fattore di correzione Valore corretto della conduttanza
Country Student No. Question No. Page No. Total No. of pages IPhO 2000
Topic: Thermodynamics, Circuits, Modern-Quantum Physics Metodi: Experimental Data Analysis, Graph Linearization, Thermodynamic Cycle Analysis Competenze: Experimental Data Analysis, Graph Linearization, Measurement & Instrumentation Objects: Diffraction Grating Fonte: Testo (PDF) — p.1
The following information is provided for in the Annex to Implementing Regulation (EU) No 1303/2013.
Countries Student No. Question No. Page No. No, not at all. of pages The following information is provided:
The answer to the experimental problem 4 (a) This part consists only of observations to be made. It doesn’t involve scores. (b)(i) (a) the number of days Length of wave in nm Resistance in Conduct in -1 (b)(ii) Draw a graph of the G conductivity on the millimeter paper provided The photoresistors are determined by the wavelength . (
2 (point) (c)(i) Enter here under the experimental data (a) the number of days
Countries Student No. Question No. Page No. No, not at all. of pages The following information is provided: (c)(ii) Draw a graph on the millimeter paper provided to show that the The A bulb emits like a black body. (a) the number of days (d) Complete the following table: (three points) (i) The lamp shall be turned off C, at 300 K RC1 = (ii) Resistance of lamp C when it appears as B RC2 = RB = (iii) Common temperature of the filaments of the Lamps C and B T2V = (iv) Resistance of the A lamp, powered a 12 V. R12V = (v) The temperature of the filament of the 12 V powered lamp T12V = (e) Returns the correct values of the conductivity G (in arbitrary units) in the table It’s down here. Draw a correct chart of the conductance on millimeter paper G of photoresistors in function of wavelength.. (two points) Long-range in nm The Commission in -1 Factor of correction The correct value The Commission has already adopted a proposal for a regulation on the
Countries Student No. Question No. Page No. No, not at all. of pages The following information is provided:
Topic: Thermodynamics, Circuits, Modern-Quantum Physics Metodi: Experimental Data Analysis, Graph Linearization, Thermodynamic Cycle Analysis Competenze: Experimental Data Analysis, Graph Linearization, Measurement & Instrumentation Objects: Diffraction Grating Fonte: Testo (PDF) — p.1