# Test Essay

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CONTENT PAGE S/NO CHAPTER SECTION I: MEASUREMENT 1 Measurement SECTION II: NEWTONIAN MECHANICS 2 Kinematics 3 Dynamics 4 Forces 5 Work, Energy and Power 6 Motion in a Circle 7 Gravitational Field 8 Oscillations SECTION III: THERMAL PHYSICS 9 Thermal Physics SECTION IV: WAVES 10 Wave Motion 11 Superposition SECTION V: ELECTRICITY & MAGNETISM 12 Electric Fields 13 Current of Electricity 14 D.C. Circuits 15 Electromagnetism 16 Electromagnetic Induction 17 Alternating Currents SECTION VI: MODERN PHYSICS 18 Quantum Physics 19 Lasers & Semiconductors 20 Nuclear Physics PAGE NO 3 4 9 10 11 14 16 18 19 23 27 28 31 32 35 40 41 45 49 53 58 63 65 66 71 74 - PAGE 2 - SECTION I MEASUREMENT - PAGE 3 - Chapter 1: Measurement SI Units Errors and Uncertainties Scalars and Vectors a. Recall the following base quantities and their units; mass (kg), length (m), time (s), current (A), temperature (K), amount of substance (mol). Base Quantities Length Mass Time Amount of substance Temperature Current Luminous intensity b. SI Units Name metre kilogram second mole Kelvin ampere candela Symbol m kg s mol K A cd Express derived units as products or quotients of the base units and use the named units listed in A derived unit can be expressed in terms of products or quotients of base units. Derived Quantities Area (A) Volume (V) Density ( ) Velocity (v) Acceleration (a) Momentum (p) Equation A=L V=L 2 Derived Units m m 2 3 3 m =V L v= t v a= t p=mxv Derived Unit Special Name Symbol kg -3 3 m = kg m m -1 s =ms -1 ms -2 s =ms (kg)(m s ) = kg m s -1 -1 Derived Quantities Force (F) Pressure (p) Energy (E) Power (P) Frequency (f) Charge (Q) Potential Difference (V) Resistance (R) Equation p F= t F p=A E=Fxd E P= t 1 f= t Q=Ixt E V=Q V R= I Derived Units kg m s -2 = kg m s s kg m s -1 -2 2 = kg m s m (kg m s )(m) = kg m s kg m s 2 -3 = kg m s s 1 -1 s=s