Basic Science – PHYSICS

Contents

1. UNITS AND MEASUREMENTS
1.1 Introduction
1.2 Unit
1.3 Systems of Unit
1.4 Dimensions
1.5 Errors
Solved Examples
Multiple Choice Question
2. Electricity
2.1 Introduction
2.2 Coulomb’s Inverse Square Law
2.3 Electric Field
2.4 Intensity of Electric Field (E)
2.5 Electric Lines of Force
2.6 Electric Flux (?)
2.7 Electric Flux Density (D)
2.8 Electric Potential
2.9 Potential Difference Between Two Points
2.10 Dielectric Strength
Solved Examples
Multiple Choice Question
3. Electromagnetism
3.1 Introduction
3.2 Magnetic Field
3.3 Magnetic Field Intensity (H)
3.4 Magnetic Lines of Force
3.5 Magnetic Flux (?)
3.6 Effective Charge
3.7 Electric Current
3.8 Laws of Series and Parallel Combination of Resistances
3.9 Heating Effect of an Electric Current
Solved Examples
Multiple Choice Question
4. Semiconductors
4.1 Introduction
4.2 Energy Levels in Solids
4.3 Valence Band, Conduction Band and Forbidden Band
4.4 Conductor, Insulator and Semiconductor
4.5 Intrinsic and Extrinsic Semiconductor
4.6 P-Type and N-Type Semiconductors
4.7 V-I Characteristic of P-N Junction Diode
4.8 Applications of P-N Junction diode
Multiple Choice Question
5. heat and optics
5.1 Introduction
5.2 Heat, Temperature, Temperature Scales
5.3 Modes of Transfer of Heat, Good and Bad Conductors of Heat, Law of Thermal Conductivity, Co-Efficient of Thermal Conductivity
5.4 Boyle’s Law, Charle’s Law, Gay Lussac’s Law, Perfect Gas Equation, Gas Laws
5.5 Specific Heat of a Gas at Constant Pressure and Volume (Cp And Cv), Ratio of Specific Heats
5.6 Optics

5.8 Optical Fiber

Solved Examples 26
Multiple Choice Questions