Tiêu đề 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