Gr10 Phy P1 (English and Afrikaans) June 2016 Possible Answers_hlayiso.com_.pdf

Downloaded from hlayiso.com GAUTENG DEPARTMENT OF EDUCATION GAUTENGSE DEPARTEMENT VAN ONDERWYS PROVINCIAL EXAMINATION PROVINSIALE EKSAMEN JUNE / JUNIE 2016 GRADE/GRAAD 10 PHYSICAL SCIENCES / FISIESE WETENSKAPPE PAPER 1 / VRAESTEL 1 MEMORANDUM 7 pages / 7 bladsye

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 2 (Paper 1 / Vraestel 1) GAUTENG DEPARTMENT OF EDUCATION / GAUTENGSE DEPARTEMENT VAN ONDERWYS PROVINCIAL EXAMINATION / PROVINSIALE EKSAMEN PHYSICAL SCIENCES / FISIESE WETENSKAPPE (Paper 1 / Vraestel 1) MEMORANDUM ANSWER SHEET / ANTWOORDBLAD SECTION A /AFDELING A QUESTION 1 / VRAAG 1 1.1 D  1.6 A  1.2 B  1.7 C  1.3 C  1.8 A/B/C  1.4 A  1.9 C  1.5 C  1.10 B  [20] 3.1   amplitude 1  double wavelength / dubbele golflengte 0 2 4 6 8 10 12 14 (4) -1 5.3.1 Marking guideline Merk riglyne Field lines Do not cross Veldlyne Oorkruis mekaar nie Arrows from N S Pyltjies N S Shape of field lines Vorm van veldlyne around bar magnets om die staafmagnete (3) N S S N 2

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 3 (Paper 1 / Vraestel 1) QUESTION 2 / VRAAG 2 2.1 A Wavelength / Golflengte  B Crest / Kruin  C Amplitude / Amplitude  D Trough / Trog  (4) 2.2 2.2.1 Transverse wave / Transversale golf  (1) 2.2.2 It starts at 2 and ends at 4  (2 and 4 must be present for 1 mark // 2 en 4 moet teenwoordig wees vir 1 punt) (1) Frequency is 1 cycle per second 2.2.3 (a) (2) Frekwensie is 1 siklus per sekonde = = 1 Hz  OPTION 2 Answer + Unit Antwoord + Eenheid = 1 Hz (b) Answer + Unit (2) = 1 second / sekonde  Antwoord + Eenheid (c) Amplitude = (3) Accept: 10cm = 0,1m  Aanvaar: 10cm Answer + Unit Antwoord + Eenheid 3

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 4 (Paper 1 / Vraestel 1) 2.2.4 Wave/Golf A ______ Wave/Golf B Superposition Position / Superposisiëring Verplasing (m) Time / Tyd (s) (3)  Complete 2½ waves must be drawn / 2½ Voltooide golwe moet geteken wees  Amplitude must be greater than wave A and B / Amplitude moet groter as golf A en B wees 2.2.5 Constructive Interference  / Konstruktiewe interferensie  (1) 2.2.6 Superposition of pulses  / Superposisïering van pulse  The addition of the disturbances of the two pulses that occupy the same space at the same time  Die som van die versteuring van die twee pulse wat in dieselfde tyd dieselfde spasie beslaan  (3) [20] 4

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 5 (Paper 1 / Vraestel 1) QUESTION 3 / VRAAG 3 3.1 Answer sheet / Antwoordblad 3.2  ( )( )  = 25,875 m = 25,88 m  Answer + Unit (3) Antwoord + Eenheid Rarefaction / Verdunning 3.3 Compression / Verdigting (4) [11] Shape / Vorm  Rarefaction / verdunning  Compression / verdigting  IGNORE AMPLITUDE / IGNOREER AMPLITUDE 5

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 6 (Paper 1 / Vraestel 1) QUESTION 4 / VRAAG 4 ANY TWO 4.1 * Wave-particle duality  / Golf-deeltjie model  * No need for a medium to propagate / Benodig nie ʼn medium om voort te plant nie  * Speed of EM waves are constant at 3 x 108m.s-1 in a vacuum / Die spoed van EM golwe bly konstant teen 3 x 108m.s-1 in ‘n vakuum  * Oscillation between alternating accelerating charges cause magnetic waves  / Ossilasie tussen afwisselende versnellende ladings wat magnetiese golwe veroorsaak  (2) 4.2 An accelerating electric charge  . Versnellende elektriese lading   (3) 4.3 OPTION 1 / OPSIE 1: Answer + Unit OPTION 2 / OPSIE 2: Antwoord +  Eenheid ( ) ( )( ) = ( )   = 1,989 x 10-24 J ( )( ) = 1,99 x 10–24 J  -24 = 1,989 x 10 J (4) = 1,99 x 10–24 J  4.4 4.4.1 X-rays  / X-strale  It has shortest wavelength  / Dit het die kortste golflengte  OR / OF It has the highest frequency in the table  / Dit het die hoogste frekwensie in die tabel  (2) 4.4.2  Answer + Unit ( )( ) Antwoord +  Eenheid m  Ultraviolet light / Ultraviolet lig  (4) 4.5 4.5.1 * UV has the highest frequency that penetrates into the eyes any  * Cause cataracts *UV het die hoogste frekwensie wat in die oë penetreer enige  *Veroorsaak katarakte (1) 4.5.2 High frequency kills microbes and sterilises food  Hoë frekwensie maak mikrobe dood en steriliseer voedsel  (1) [17] 6

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 7 (Paper 1 / Vraestel 1) QUESTION 5 / VRAAG 5 5.1 It is the space where a magnet / ferromagnetic material will experience a force . Dit is die ruimte waar ʼn magneet / ʼn voorwerp gemaak van ʼn magnetiese stof, ʼn krag sal ondervind . (2) 5.2 S (South / Suid )  (1) 5.3 Answer sheet / Antwoordblad Negative marking 5.4 Decrease  As the distance between the magnets increases the magnetic field weakens . OR When the magnetic field lines are far apart, the magnetic field is weak  Negatiewe merk Afneem  Soos die afstand tussen die magnete vermeerder, sal die magnetiese veld verswak  . OF Wanneer die magnetiese veldlyne ver van mekaar is, is die magnetiese veld swak  (3) [9] 7

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 8 (Paper 1 / Vraestel 1) QUESTION 6 / VRAAG 6 6.1 They are opposite / unlike charges ( attract each other / experience a force of attraction) Hulle is teenoorgestelde / verskillende ladings (trek mekaar aan / ondervind ‘n aantrekkingskrag) (2) 6.2 OPTION / OPSIE 1: OPTION / OPSIE 2:   Answer + Unit ( ) ( ) Antwoord + ( ) ( ) Eenheid   (2) 6.3 ( ) electrons / elektrone  (2) 6.4 P to Q  / P na Q  (1) 6.5 Negative marking from 6.4 Excess electrons can move from (more) negative to (more) positive  / Oortollige elektrone kan beweeg van (meer) negatief na (meer) positief (2) [9] 8

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 9 (Paper 1 / Vraestel 1) QUESTION 7 / VRAAG 7 7.1 To compare the effective resistance of resistors in a parallel and series circuit  OR To determine whether resistors connected as potential dividers have a lower/higher effective resistance  OR To determine whether resistors connected as current dividers have a lower/higher effective resistance (2) Om die effektiewe weerstand van resistors in ʼn parallel en serie stroombaan te vergelyk  OF Om te bepaal of die resistors wat as potensiaal verdelers gekonnekteer is, ʼn verminderde/verhoogde effektiewe weerstand het.  OF Om te bepaal of die resistors wat as stroomverdelers  gekonnekteer is, ‘n verminderde/verhoogde effektiewe weerstand het  7.2 7.2.1 Magnitude / number of resistors / temperature  Waarde / aantal resistors(weerstande) / temperatuur  (1) 7.2.2 Connection of resistors  / Skakeling van die resistors  (1) 7.3 Any of the following:  * Measure the total current in the circuit * Has negligible resistance Enige van die volgende:  * Meet die totale stroom wat deur die stroombaan vloei * Het weglaatbare weerstand (1) 7.4   Answer + Unit Antwoord + Eenheid  (3) 7.5 7.5.1  Answer + Unit 2,3 = I(420)  Antwoord + A Eenheid I = 5,48 x 10-3 A  (3) 9

Downloaded from hlayiso.com PHYSICAL SCIENCES GRADE 10 FISIESE WETENSKAPPE GRAAD 10 10 (Paper 1 / Vraestel 1) 7.5.2  Answer + Unit Antwoord + =  Eenheid = 13,04V  (3) [14] 10