Physical Sciences Grade 10 P1 March Test 2017 Paper & Memo

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Downloaded from hlayiso.com, ., commonest NSC — Grade 10 Physical Science (P1) INSTRUCTIONS AND INFORMATION 1. Write your name in the appropriate spaces on the ANSWER BOOK. 2. Answer ALL the questions in the ANSWER BOOK. 3. You may use a non-programmable calculator. 4, You may use appropriate mathematical instruments. 5. Number the answers correctly according to the numbering system used in this question paper. 6. You are advised to use the attached data sheets. 7. Give brief motivations, discussions, et cetera where required. 8. Round off your answers to a minimum of 2 decimal places. Copyright Reserved Please Turn Over

Downloaded from hlayiso.com Physical Science (P1) March 2017 Common Test NSC - Grade 10 QUESTION 1: MULTIPLE CHOICE QUESTIONS Four options are provided as possible answers to the following questions. Each question has only ONE correct answer. Choose the answer and write only the letter (A — D) next to the question number (1.1 — 1.3) in the ANSWER BOOK, for example 1.4 C. 1.1. The maximum displacement of a particle from its equilibrium position along a wave train is best described as its... wavelength. pitch. amplitude. frequency. (2) vuOD>Y 1.2 Sound travels... A fastest through solids. B faster through air than water. Cc faster through water than air. D. faster through water than solids. (2) 1.3. When moving in a vacuum, all electromagnetic waves have the same ... A amplitude. B frequency. Cc speed. 2) wavelength. (2) 2x3= [6] Copyright Reserved Please Turn Over

~~ Downloaded from hlayiso.com Physical Science (P1) Nsc- orate 40 QUESTION 2 Two pulses A and B move towards each other through the same piece of rubber tubing. Pulse A is moving to the left with amplitude of +7 cm and pulse B is moving to the right with an amplitude of -10 cm. The pulses meet at point C. (Assume that all energy is conserved). 2.1 Whatis a pulse? 2.2 State the principle of superposition of waves. 2.3. Draw a labelled diagram to show the pulses at point C. 2.4 What type of interference takes place at point C? 2.5 Calculate the resultant amplitude at the meeting point (point C). 2.6 What is the amplitude and direction of pulse A after passing point C? March 2017 Common Test (2) (2) (3) (1) (2) {11] Copyright Reserved Please Turn Over

Downloaded from hlayiso.com Physical Science (P1) NSC — Grade 10 QUESTION 3 Study the wave motion produced by a water wave. Ce wr J La] — | hm 3.1. What type of wave is a water wave? -3.2 Using the diagram, identify a point: 3.2.1 that is a crest. 3.2.2 where the particles of water are at rest. 3.2.3 that is In phase with point F. 3.2.4 that indicates a complete wave cycle with point R. 3.3. In what direction is a particle at B about to move? 3.4 How many wave cycles are shown in the diagram above? 3.5 A water wave passes a point at a rate of 5 complete wave cycles per second. If the wavelength is 75 mm, calculate the: 3.5.1 frequency of the wave. 3.5.2 peed of the wave. 3.5.3 distance covered by the wave in 4 minutes. Copyright Reserved Please Turn Over March 2017 Common Test (1) (1) (1) (1) (1) (4) (4) [16]

Downloaded from hlayiso.cony NSC ~ Grade 10 Physical Science (P1) rch 2017 Common Test QUESTION 4 A sound wave produced by a piano is represented in DIAGRAM 1 below. DIVGRAM 1 B A A A 4.1. What type of a wave is a sound wave? (1) 4.2 What is indicated by: 4.2.1 A? (1) 4.2.2 B? (1) 4.3 Apiano produces a musical sound with a frequency of 440 Hz, 4.3.1 How long will it take to produce one complete wave cycle? (2) After a while, the listener realises that the pitch of the sound note is higher. 4.3.2 Has the FREQUENCY or the AMPLITUDE of the sound changed? Give a reason. (2) [7] Copyright Reserved Please Turn Over

Downloaded from hlayiso.com Physical Science (P1) March 2017 Common Test NSC — Grade 10 QUESTION 5 The diagram below represents the electromagnetic spectrum. ato Microwaves Infrared Visible light | Ultraviolet X-Rays oe Red Violet 5.1 Name the type of electromagnetic radiation that: 5.1.1 has the longest wavelength (1) 5.1.2 is used in the treatment of some cancers (1) 5.1.3. is used to send a signal from the remote control to the Television. (1) 5.2 A photon of electromagnetic radiation has a wavelength of 400 nm. 5.2.1 Define a photon. (1) 5.2.2 Calculate the frequency of this radiation. (3) 5.2.3 Determine the energy of a photon of this radiation. (3) [10} TOTAL MARKS: [50] Copyright Reserved Please Turn Over

Downloaded from hlayiso.com Physical Science (P1) 8 March 2017 Common Test NSC - Grade 10 DATA FOR PHYSICAL SCIENCES GRADE 10 PAPER 1 (PHYSICS) GEGEWENS VIR FISIESE WETENSKAPPE GRAAD 10 VRAESTEL 1 (FISIKA) TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES NAME/NAAM SYMBOL/SIMBOOL VALUE/WAARDE TABLE 2: FORMULAE/TABEL 2: FORMULES WAVES, SOUND AND LIGHT/GOLWE, KLANK EN LIG 1 ve=fA Ta f Ax = E=hf "it c=fA E=ho x Copyright Reserved

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