PHYSICS - Trial Paper Collection

papercollectionNO.16MARKING CRITERIAMARKSUB TOTAL4 (a) State a suitable inferenceThe distance / separation between the arms affect the distance /separation between the loud sounds 1 1(b)(c)State a relevant hypothesisThe smaller the distance / separation between the arms, the greateris the distance / separation between the loud sounds 1 1Describe a complete and suitable experimental framework(i)State the aim of experimentTo investigate the relationship between the separation betweentwo loudspeakers and the distance between the position of theloud sounds 1(ii)State the manipulated variable and the responding variableManipulated variable : separation between loudspeakersResponding variable : distance between position of loud soundsState the constant variableConstant variable : Frequency of the sound // wavelength ofthe sound // Distance of the line ofobservation to the loudspeakers11(iii)List out the important apparatus and materialsTwo loudspeakers, signal generator, metre rule / measuring tape,(microphone, cathode ray oscilloscope) 1(iv) Draw or describe a functionable arrangement of the apparatus 1(v)(vi)(vii)State the method of controlling the manipulated variableThe two loudspeakers are placed at a distance, a = 0.4 m apart. 1State the method of measuring the responding variableThe positions of two successive loud sounds is determined and thedistance, x, between them is measured with a metre rule 1State how the procedure is repeated to obtain at least 5 sets ofresultsThe procedure is repeated for the values of a = 0.8 m, 1.2 m, 1.6m, 2.0 m and 2.4 m 1(viii) Tabulate the dataa / mx / m0.40.81.21.62.02.4 1(ix)State how data will be analyzedA graph of x against a is drawn 1 1012