en amon he ine be and ret i bok th ae anaver shee. Palle in “=| tesrcove 01238010 so may Foul in asqealiention: MAY/JUNE 2019 FORM TP 2019099 CARIBBEAN EXAMINATIONS COUNCIL CARIBBEAN SECONDARY EDUCATION CERTIFICATE® EXAMINATION PHYSICS Paper 01 - General Proficiency T hour 15 minutes READ THE FOLLOWING INSTRUCTIONS CAREFULLY. 1 ‘This test consists of 60 items. You will have 1 hour and 15 minutes to answer them. 2. In addition to this test booklet, you should have an answer sheet. 3, Each item in this test has four suggested answers lettered (A), (B), (C), (D). Read each item you are about to answer and decide which choice is best. 4, On your answer sheet, find the number which corresponds to your item and shade the space having the same letter as the answer you have chosen. Look at the sample item below. Sample ttem ‘The SI unit of length is the ‘Sample Answer (A) metre @®©@oOo we (B) second 8 (©) newton (D) kilogram The best answer to this item is “metre”, so (A) has been shaded. 5. Ifyou want to change your answer, erase it completely before you fill in your new ch 6. When you are told to begin, turn the page and work as quickly and as carefully as you can. If you cannot answer an item, go on to the next one. You may rcturn to that item later. 1. Figures are not necessarily drawn to scale. 8. You may do any rough work in this booklet. 9. ‘You may use a silent, non-programmable calculator to answer items. Ae DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO. Copyright © 2018 Caribbean Examinations Council All rights reserved.212 00s -2- 3.1415926 expressed as TWO significant 5. figures is (ay 3 (B) 3.14 ©) 32 @ 3 2. To measure the external diameter of & measuring cylinder most accurately, one 6. should use a (A) metre rule (B) tape measure (C)__ length of string (D) __ pair of vernier calipers 3. A4-kg mass is travelling with a constant speed of Sms", It is brought to rest in 2 seconds. ‘The average force acting on it fo bring it to rest is (A) 16N @®) 25N © 100N (D) 40.0N Stem refers to the following diagram whieh shows two forces, X and Y, applied onto an object. —X_5[ caves 4, What should be the magnitude and direction ofa third force which will cause the object to remain stationary? (A) X-Ytothe left (B) X+ Ftothe le (© X-¥to the right (D) X+ Yto the right 01938010/MI/CSEC 2019 ‘A boy measured the height of a laboratory table with a metre rule, Which of the following is MOST likely to be correct?” (A) 0.00895 m (B) 0.0895 m © 0.895 m ©) 895m ‘The diagrams below, NOT drawn to seale, represent two forces, $ and T, acting atO. In which of the following is the resultant in the direction OX? w - o ® i o¢-----x + © o GO ON TO THE NEXT PAGEa2 00S 7. 10. When an astronaut is standing on the moon his mass is 70 kg, When he returns to earth his approximate weight will be A) 10kg (B) 420 kg (©) T0N (D) — 700N Which of the following rates will determine the power of a machine? Doing work Hl. Converting energy TI. Changing temperature (A) Lonly (B) {lf only (C) Land [only (D) 1, Mand ttt Which of the following features must be present in a stable, well-designed racing car’? (A) Sunroof (B) Long front (C)__ Narrow wheelbase (D) Low centre of gravity The time period of a simple pendulum oscillating with a small amplitude depends on the (A) mass of the pendulum bob (B) amplitude of the oscillation (C) length of the pendulum (D) force with which the pendulum is set into motion 01238010/MJ/CSEC 2019 iT 12. 13. cm Pressure in a liquid can be calculated using the formula P=peh. Which of the following sets of units wil! result in the SI unit of pressure? P g h (A) gem? ms? mm (B) kgm? Nkgt m (©) gem?) Nk! m (0) kgm? ems? em Which of the following is the unit of momentum? (A) kes (8) kgmst © kgms? () Nm Which of the following quantities has the same value as 6 C? @ 6x108C ®) 6K1eC © 6xwc (@) 6x Which of the following is an $I base unit? (A) Volt (B) Ohm (©) Ampere (D) Coulomb GO ON TO THE NEXT PAGE212 A005 15. 16. 17 Item 15 refers to the following graph which shows how the displacement of a runner from ‘a starting line varies with time, Displacement From the graph it can be deducted that the funner is (A) going slower and slower (B) going ata steady speed (C) going faster and faster (D) not moving ‘An object is removed from the ground and placed on a shelf. Which of its properties is expected to inerease? (A) Mass (B) Volume (C) Potential energy (D) Kinetic energy Which of the following is the POOREST conductor of thermal energy? (A) Air (B) Copper (©) Mercury (0) Aluminium 012380 10/MJ/CSEC 2019 18. 19. 20. Boyle’s law for a gas can be tested experimentally, provided which of the following remain constant? 1. Temperature I Pressure HL Mass (A) Land ILonly (B) Land ULonly (©) Mand Itt only (D) LG tand ut Which of the following are characteris features of a clinical thermometer? 1. Narrow constrietion in the tube just above the bulb IL. Limited range of temperatures IIL. Large bore to make the mercury more visible (A) Land I only (B) Land 1lf only (©) Mand Itlonly () Mand ttt Eto s temperature from T, to T,. ‘The specific heat capacity of the metal will be given by A metal of mass m requires ener O ar ®) © ©) GO ON TO THE NEXT PAGE,a2 005 a. 22. 23. 24, ‘The specific latent heat of vaporization of water is 2.26 x 10*Jkg~!. When 0.01 kg of water is converted into steam it (A) absorbs 2.26 « 103 (B) gives out2.26« 10% (C) absorbs 2.26 x 108 (D) gives out 2.26 10" A gas occupies 2 m? at 27 °C at a pressure of I atmosphere. At a pressure of 2 atmospheres it occupies a volume of | m’. What is its temperature at this new volume and pressure? « 54.0 °C @) 27.0°C © 6.75°C (DB) -198°C Which ofthe following statements concerning the radiation of heat is/are true? 1. Radiation can only take place ina material medium, I. A good absorber is also a good emitter of radiation, I Dark dull surfaces are better emitters than shiny ones. (A) Monty (B) Land {Conly (© Land ifonly (D) Mand tit only Which of the following quant unchanged with an INCREASE in temperature? (A) Mass (B) Density © Volume (D) Relative density 01238010/MI/CSEC 2019 ot 25, 26. Some molten naphthalene at 100 °C is allowed to cool to room temperature. If naphthalene has a melting point of 80°C, which of the following graphs BEST represents the cooling curve? @ orc 100 30 | min @) arc 100 nin (ol eset E] timin @) orc An electric kettle full of water is plugged into the mains. The MAJOR process by which heat travels through the water is (A) radiation (8) convection (©) conduction (D) electrification GO ON TO THE NEXT PAGE,22 21. 28. 29. Item 27 refers to the following diagram. B A «——_- —_ —_—--* Inusing a slinky to demonstrate longitudinal waves moving from Point Ato Point B above, the spring is made to vibrate (A) parallel to AB (8) perpendicular to AB (©) atan obtuse angle to AB (D) — atan acute angle to AB In which of the following is conduction the MAIN method of energy transfer? (A) Food heated in a mictowave oven {B) Energy transferred from the sun to earth (©) Food being cooked on a barbecue (D) Food being cooked in a pot on an electric stove Which of the following statements does NOT provide evidence that sound waves can be reflected? (A) Sound can be heard arounda comer in open air. (B) Speaking tubes can be used for passing messages in ships. (©) The depth of the ocean can be measured using ultrasound. (D) Echoes ean be heard when a person shouts in a large empty room. 01238010/MI/CSEC 2019 30. 3. Item 30 refers to the following diagram which shows water boiling at the top of a glass test tube while a piece of ice remains unmelted at the bottom. Bunsen flame Z 166 wrapped in gauze Which of the following statements is the reason for this occurrence? (A) Water is a poor conductor of heat. (B) Gauze is a poor conductor of heat. (C)__ Water is a good conductor of heat. {D) Glass is a good conductor of heat, Whenever there is complete destructive interference between two coherent wave trains, the waves must be (A) inphase (B) __outofphase by halfofa wavelength (C) out of phase by one wavelength (D) out of phase by a quarter of a wavelength GO ON TO THE NEXT PAGE,a2 A005 Item 32 refers to the Following diagram ofa 33. wave. Direction of propagation Displacement Distance from origin 34. 32. Which of the following statements about the wave shown in the diagram are true? ae Points P, Q and R are in phase. I Points S and T are out of phase. IIL, The wavelength of the wave is the distance PR. (A) Land Itonly {B) Land Ill only (©) Mand tilonly (D) i, tand An echo is quieter than the original sound that produced it, This shows that, compared to the original sound, the echo hhasa (A) smaller amplitude (B) shorter wavelength (C) lower frequency (D) slower speed Which of the following can produce a diminished virtual image of a real object? (A) Aconverging lens (8) A diverging lens (C) A plane mirror (BD) Aglass block 35. An object O is viewed ina plane mirror PQ. Wh formation of the image? ch of the following diagrams correctly shows the (A) © Q P Q oO oO fe Be Co) pense @) Pp ie? ~ Q ad Q 0 oO GO ON TO THE NEXT PAGE. 01238010/MN/CSEC 2019212 “8. 36. Which of the following diagrams BEST represents the wave generated in a ripple tank by a small spherical dipper vibrating at a constant frequency? () © @) Ge) © 37. Which of the following statements about waves is true? (A) Only transverse waves undergo reflection. (B) Diffraction can only take place with light waves, (C)__ All waves undergo reflection, refraction and diffraction. (D) Longitudinal waves do not undergo refraction, but may be reflected. GO ON TO THE NEXT PAG! 01238010/MI/CSEC 201922 <-aoxon 005 38. A ray of white light enters a transparent 39, glass prism. In which of the following diagrams is the dispersion of light correctly illustrated? @ B 0 1 0 1 el-|-|-le Which of the following logic gates does the truth table above describe? (A) NAND (By) NOR (© AND (D) OR 45. 46. Item 45 refers to the following cireuit where the ammeter reads 0.4 A and the voltmeter reads 0.6 V. g What is the resistance of R? @ sa @® 15a © 0672 ©) 0249 Item 46 refers to the following diagram of simple ac. generator. x ‘The parts labelled X in the diagram are known. as the (A) commutators (B) armatures (C) slip rings ©) coils GO ON TO THE NEXT PAGE47, 48, ove A005 mae Which of the following statements about alternating current is true? (A) (B) © (@) Itcan be changed into direct current by a transformer. It can be rectified by using a semiconductor diode, Itcan be used to recharge a battery. It is used to transmit electrical energy because of its high frequency. In which of the following diagrams are resistors P and Q in series with each other and parallel with R? cc) @) co} @) 01238010/MJ/CSEC 2019 49. Which of the following graphs illustrates an ALTERNATING current? Current + Al op a4 oe o Time Current @) © (0) 0 - Ronen Time current} of Time Current + ° - Cl Time Magnetic induction occurs when (A) (B) © (D) an N pole attracts an $ pole an electroscope is charged a magnet is suspended and points in the NS iron nails near a magnet become magnetized GO ON TO THE NEXT PAGE22 A005 Si. -13- Which of the fotlowing pairs of statements is true for BOTH iron and steel? fron Steel (A) [Easily magnetized | Does not retain its magnetism (B) [Not easily magnetized | Retains its magnetism well (© [Basity magnetized [Retains its magnetism well (D) | Not easily magnetized | Does not retain its magnetism Item _82 refers to the followig diagram which represents a straight wire carrying a current into the plane of the paper. Which of the following diagrams BEST represents the magnetic field around the wire? a NH” —®—_- Suen ® 53. Which ofthe following are possible symbols for an isotope of the nuclide “7 Leer moe m “7X (A) Land Il only (B) Land III only (C) Mand ttt only (D) 1, Wand Itt 54, “C (Carbon-14) decays in accordance with the equation “C — “+X, The emission Xis - - (A) aproton (B) — agamma ray (©) abeta particle (D) _analpha particle GO ON TO THE NEXT PAGEae A005 55. 56. ST. 14 In the equation AE = Ame? 58. Sodium-24 decays into Magnesium~24 with the emission of a B-particle and can be (A) © = speed of light, Am = mass ropresentod by the following equation of atom (B) c= speed of light, Am = mass + oO lost (©) = specific heat capacity of Which of the following options should be substance, Am =mass lost placed in the box to complete the equation? {D) © = specific heat capacity of substanee, Am=massof substance A @) ge “The number of neutrons present in the nucleus of the nuclide {27 Rn is (C) tHe (A) 308 (D) He (B) 222 © 136 ©) 86 59. Which of the following scientists discovered the relationship £ = me"? Which of the following describes two properties of an a-particle? ee Mee ci (B) _ Isaac Newton (©) 14. Thompson No very penetrating @ charge, very penetrating O “albort Elnaetn (B) Positive charge, very penetrating (© Negative charge, not very penetrating a (©) Pesitivecharge,notvery penetrating A radioactive isotope has a half-life of 20 days, How many days will ittake fora given sample to have its activity reduced to “g-of its initial value? @ 12 days (B) — 60.days (© —_80days (D) 320 days END OF TEST [F YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST. 01238010/MJ/CSEC 2019