Cahaya Bahagian B_Jawapan
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Modul SOLAF Fizik 2014 Bab 5 Tingkatan 4 Cahaya Kertas 3 Chapter 4 Form 4 Light Paper 3 SKEMA JAWAPAN KERTAS 3 BAHAGIAN A SOALAN 2 Question Marking Scheme Sub Mark 1 (a) (i) Sin r directly proportional to sin i Sin r berkadar terus terhadap sin i 1 (ii) Show on graph (intrapolation) Sin i = 0.9 i = 64.16 o 3 (iii ) Show on graph at least (4 x 2 cm) X (4 x 2 cm ) triangle Show how to calculate Answer 0.67 no unit 3 (b) n= 1 0.67 = 1.49 /1.49 / 1.5 2 (c) v= 3 × 10 8 1.49 ¿ 2.01 × 10 8 ms −1 2 (d) The position of eyes must be perpendicular to the reading scale to avoid parallax error. Kedudukan mata mesti serenjang dengan skala bacaan untuk mengelakkan ralat paralaks 1
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Transcript of Cahaya Bahagian B_Jawapan
Bab 5 Tingkatan 4Cahaya Kertas 3Chapter 4 Form 4 Light Paper 3
SKEMA JAWAPAN KERTAS 3 BAHAGIAN A SOALAN 2
QuestionMarking SchemeSub Mark
1(a) (i)Sin r directly proportional to sin iSin r berkadar terus terhadap sin i1
(ii) Show on graph (intrapolation) Sin i = 0.9 i = 64.16o3
(iii) Show on graph at least (4 x 2 cm) X (4 x 2 cm ) triangle Show how to calculate Answer 0.67 no unit3
(b)
= 1.49 /1.49 / 1.52
(c) 2
(d)The position of eyes must be perpendicular to the reading scale to avoid parallax error.Kedudukan mata mesti serenjang dengan skala bacaan untuk mengelakkan ralat paralaks1
Modul SOLAF Fizik 2014
