Content text Physics Topic by Topic Q and A Grade 10 to 12 _ 3MB - Enock Kamuz.pdf
TUPASEKO PHYSICS MR. MUSONDA [MJ] Page 1 PUPIL'S NAME............................................................................ MOBILE No:................................................................................. GRADE:...................................................................................... SCHOOOL:................................................................................... CONTENTS PHYSICAL MEASUREMENTS MASS WEIGHT & DENSITY KINEMATIC (SPEED,VELOCITY AND ACCELERATION) DYNAMICS ( FORCE & MOTION) WORK ENERGY & POWER MOMENT AND STABILITY GAS LAWS PRESSURE BROWNIAN MOTION WAVE MOTION FRAME RATCHET Knob THIMBLE ANVIL SPINDLE SLEEVE COMPILED BY: MR. MUSONDA J [MJ] CONTACT:+26 0965-171 750 /+26 0954197045 2017 PRODUCTION PHYSICS SERIES BASED ON THE NEW SYLLABUS CURRENT ELECTRICITY STATIC ELECTRICITY MAGNETISM ELECTROMAGNETIC INDUCTION MUTUAL INDUCTION (TRANSFORMER) CATHODE RAY OSCILLASCOPE (CRO) ELECTRONICS www.zedmaterials.com RADIOACTIVITY AND NUCLEAR ATOM www.zedmaterials.com
TUPASEKO PHYSICS MR. MUSONDA [MJ] Page 2 PHYSICAL MEASUREMENTS 1. Write down the most appropriate instrument to use in the measuring of the following . (a) Thickness of a mobile telephone scratch card (b) Diameter of a thin metal rod. (c) Thickness of your hard cover book. (d) Diameter of a thin wire (e) The width of the football pitch . (f) The thickness of your hair. [TOTAL: 6 MARKS] 2. (a) Define a (i) Vector quantity (ii) Scalar quantity (b) Give four examples of a (i) Vector quantity (ii) Scalar quantity (c) Differentiate a vector quantity from a scalar quantity. [9] [TOTAL: 9MARKS] 3. (a) Of what accuracy is the vernier calliper in mm and in cm? (b) What is the function of the following parts of a vernier calliper. (i) Vernier scale (ii) Main scale (iii) Inner jaws (iv) Outer jaws. (v) Probe (c) What is the reading in each of the following ? [8] [TOTAL: 8MARKS] 4. Study the figure below and answer questions that follow. (a) State the function of the ratchet [1] (b) Name the scales A and B . [2] (c) State two precautions which should be taken when using the instrument above. [2] (d) Name the instrument shown above and state its accuracy in 2 3 4 cm 0 1 3 cm mm 2 Scale A Scale B Ratchet 86 80 75 www.zedmaterials.com www.zedmaterials.com
TUPASEKO PHYSICS MR. MUSONDA [MJ] Page 3 (i) mm (ii) cm [2] (e) What is the reading on (i) Scale A [1] (ii) Scale B [1] (f) What is the reading on the instrument above . [1] [TOTAL: 10MARKS] 5. Study the micrometer screw guage below. (a) Explain in details how you can use the instrument above to measure the diameter of a copper wire. [4] (b) What physical quantity does a micrometer screw guage measure? [1] (c) What is the reading shown on the instrument above? [1] (d) Name other instruments which could be used to measure the physical quantity mentioned in (c) above. [1] (e) A micrometer screw guage registers a reading 4.25mm and the zero error is - 0.06mm .What is the actual reading ? [1] [TOTAL: 8MARKS] 6.The diagram below shows a pendulum (a) What is a simple pendulum ? [1] (b) The bob was found to have moved from point A to point B in 0.2 second and then to point C .Calculate the periodic time of the pendulum. [1] (c) Explain how the bob should move to make a complete swing. [2] (d) What do we call the time taken for the pendulum to make a complete oscillation? [1] [TOTAL: 5MARKS] 0 1 2 60 65 C B A mm www.zedmaterials.com www.zedmaterials.com
TUPASEKO PHYSICS MR. MUSONDA [MJ] Page 4 7. The diagram below represents a pendulum hung from a fixed support .Find the length of the pendulum . 8. The diagram below shows a simple pendulum that oscillates between position A and C .It takes 2.05 s to go from A to C and back To mid- point B (a) (i) Calculate the period of the pendulum [1] (ii) Calculate the frequency of the pendulum [1] (b) Briefly describe how the period of the pendulum would be measured. [3] [TOTAL: 3MARKS] 9. It takes 1.28 seconds a pendulum to swing from L to M and back .How long does the ball take to move from M to Z? Bob 2cm 10cm cotton thread A C B L M Z Z www.zedmaterials.com www.zedmaterials.com