大学物理实验报告英文版--测薄透镜焦距

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1、PhysicalLabReport:HarmonicOscillatorWriter:Partner:Experimentdate:26.9.2012&10.10.2012Reportdate:13.10.2012ⅠGoaloftheexperiment1.Getfamiliarwiththeairtrack,Jonly balance,andtimingmeasurementdevice.2.DosomefundamentalexperimentstocheckoutseveralrelationsaboutHarmonicOscillator.ⅡPrincip

2、leoftheexperiment1.Formula,,,2.Iftwospringswithspringconstantsk1andk2,attachingtobothsidesofanobject.,thenthefinalk=k1+k2ⅢMeasurementsThesamestepsreferredinthepassage“HarmonicOscillator”teachergaveus.ⅣExperimentaldataandanalysis1.MeasurementofspringconstantsExperimentaldata:K1m/g4.839

3、.6114.419.2324.09X1/cm6.216.216.216.216.21X2/cm8.2210.4812.5214.7216.72K2m/g4.839.6114.419.2324.09X1/cm0.210.210.210.210.21X2/cm2.154.156.068.0310.09K3m/g4.839.6114.4319.2224.0928.92X1/cm3.383.383.383.383.383.38X2/cm5.417.529.6211.6213.715.81Analysis(dataprocessingandgraph):K1m/kg0.00

4、4830.009610.01440.019230.02409△x/m0.02010.04270.06310.08510.1051mg/N0.0473340.0941780.141120.1884540.2360825PagePhysicalLabReportFromthegraph,weknowthatk1=2.2202N/m,andR2=0.9995showsthatmgand△xareverylinearlyrelative.k2m/kg0.004830.009610.01440.019230.02409△x/m0.01940.03940.05850.0782

5、0.0988mg/N0.0473340.0941780.141120.1884540.236082Fromthegraph,weknowthatk2=2.3872N/m,andR2=0.9999showsthatmgand△xarequitelinearlyrelative.K3m/kg0.004830.009610.014430.019220.024090.02892△x/m0.02030.04140.06240.08250.10330.1244mg/N0.0473340.0941780.1414140.1883560.2360820.2834165PagePh

6、ysicalLabReportFromthegraph,weknowthatk3=2.2759N/m,andR2=0.9999showsthatmgand△xarequitelinearlyrelative.2.StudytherelationshipbetweenoscillationperiodandthemassoftheoscillatorExperimentaldatam/g181.1185.89190.68195.51200.2910T/ms12634.112784.412940.513098.513251.2ms/g22.07Analysis(dat

7、aprocessingandgraph)M=m+ms/3M/kg0.1884566670.1932466670.1980366670.2028666670.2076466671.5962048281.6344088341.6745654031.7157070231.755943014T/s1.263411.278441.294051.309851.32512Fromthegraph,weknowthatT2andMarequitelinearlyrelative.And,so=8.3496N/m,wecanfigureoutk=4.7282N/m.Andk1+k2

8、=2.22