Physics: Electric Field I (Charges)
December 12, 2020 2 Comments admin
Electric field I: charges (A) Electric force and Coulomb’s law F= KeQ1Q2 / d2…
Electric field II: Current Electricity (A) Electric current A current is any motion of…
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Physics: Energy
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Energy (A)forms of energy Energy can be defined as the capacity to perform work.…
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Physics: Fundamentals Of Electronics
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Fundamentals of electronics Conduction in solids: every solid conductor of electricity can be classified…
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Physics: Gravitational Field
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Gravitational field (A) Concept of gravitational field Earth gravitational field Source: www.commons.wikimedia.org Newton’s law…
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Physics: General Properties Of Fields
December 11, 2020 4 Comments admin
General properties of fields (A) concept of field A field is a concept introduced…
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Chemistry: Acids, Bases And Salts
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Acids, Bases, And Salts An acid is a substance which, when dissolved in water…
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Physics: Electromagnetic Waves
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Electromagnetic waves (E.M. waves) (A)nature of E.M. waves Electromagnetic waves are members of a…
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(A)heat and temperature Heat is a form of energy, called thermal energy that is…
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Magnetic field (A) concept of magnetic field Magnetic field is a region around a…
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Physics: Laser
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LASER Laser is a device that stimulates atoms or molecules to emit light at…
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Physics: Non Metals And Their Compounds
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Non metals and their compounds Carbon Carbon occurs naturally as diamond and graphite. It…
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Newton’s laws of motion (A)first law of motion and its application A body will…
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Metals and their compounds Extraction of metals: it is the process by which metals…
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Chemistry: Periodic Table
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Periodic table Historical development of periodic table Classification of the elements began with Lavoisier,…
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Chemistry: Electrolysis
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Electrochemical cells The set up in which chemical energy is converted to electrical energy…
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Physics: Propagation Of Sound Waves
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Propagation of sound waves (A) Source of sound wave Sound is a form of…
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Reflection of light waves (A)nature and sources of light Light is a wave, it…
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Simple alternating current (A.C.) circuits Most present day household and industrial power distribution systems…
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Physics: Fundamentals Of Motion (Speed, Velocity And Rectilinear Motion)
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Speed and velocity (a)Concept of speed as change of distance with time Speed v,…
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Chemistry: Kinetic Theory Of Matter And Gas Laws
December 7, 2020 7 Comments admin
State of matter Matter is composed of tiny particles called atoms, molecules or ions.…
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Physics: Models Of Atom And Nuclear Physics
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Simple nature of atoms (A)Models of atom The models of atoms include Thomson, Rutherford,…
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Physics: Energy Quantization
December 7, 2020 7 Comments admin
Energy levels in atoms From Bohr’s theory of the hydrogen atom, the energy levels…
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Physics: Time
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Time Concept of time as intervals between physical events Time in physics is defined…
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Physics: Waves And Type Of Wave
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Definition of waves A wave is a disturbance which travels through a medium and…
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Chemistry: Solubility
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Solubility Solubility is a means of comparing the extent to which different solutes can…
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Chemistry: Structure Of Atom
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Structure of atom The concept of atoms, molecules and ions: Atom is the smallest…