Resistance of a System of Resistors - Resistors in Series

Chemical Reactions and Equations

• Chemical Reaction
• Characteristics of Chemical Reactions
• Chemical Equations
• Balanced and Unbalanced Chemical Equations
• Balancing Chemical Equation
• Types of Chemical Reactions > Combination Reaction
• Types of Chemical Reactions > Decomposition Reaction
• Types of Chemical Reactions > Single Displacement Reaction
• Types of Chemical Reactions > Double Displacement Reaction
• Types of Chemical Reactions > Reversible and Irreversible Reactions
• Types of Chemical Reactions > Oxidation and Reduction Reactions
• Corrosion of Metals
• Rancidity

Acids, Bases and Salts

• Introduction to Acids, Bases and Indicators
• Indicators for Testing Acids and Bases
• Acids
• Properties of Acids
• Common Properties of Acids
• Uses of Acids
• Bases
• Properties of Bases
• Uses of Bases
• Chemical Properties of Acids and Bases
• Common Properties of Acids and Bases
• Strength of Acid and Base Solutions : pH Scale
• Universal Indicator
• Importance of pH in Everyday Life
• Salts
• Salts > Family of Salts
• Salts > pH of Salts
• Common Salt
• Sodium hydroxide
• Washing Soda
• Baking Soda
• Bleaching Powder
• Plaster of Paris
• Water of Crystallisation: Hydrated Salts

Metals and Non-metals

Carbon and its Compounds

Life Processes

Control and Coordination

How do Organisms Reproduce?

• DNA Copying and Variation
• The Importance of Variation
• Reproduction
• Modes of Reproduction
• Asexual Reproduction
• Asexual Reproduction in Unicellular Organisms > Binary Fission
• Binary Fission > Simple Binary Fission
• Binary Fission > Longitudinal Binary Fission
• Binary Fission > Transverse Binary Fission
• Asexual Reproduction in Unicellular Organisms > Multiple Fission
• Asexual Reproduction in Multicellular Organisms > Fragmentation
• Asexual Reproduction in Multicellular Organisms > Regeneration
• Asexual Reproduction in Unicellular Organisms > Budding
• Asexual Reproduction in Multicellular Organisms > Budding
• Asexual Reproduction in Multicellular Organisms > Spore Formation
• Vegetative Reproduction or Vegetative Propagation
• Natural Vegetative Propagation
• Artificial Vegetative Propagation
• Tissue Culture
• Sexual Reproduction
• Sexual Reproduction in Plants
• Pollination
• Self-pollination
• Cross-pollination
• Fertilisation in Flowering Plants
• Formation of Seed and Fruit
• Seed Germination
• Sexual Reproduction in Animals
• Puberty
• The Male Reproductive System
• The Female Reproductive System
• Fertilization in Humans
• Menstrual Cycle (Ovarian Cycle)
• Major Events of Menstrual Cycle
• Menarche and Menopause
• Birth Control
• Natural Contraceptive Methods
• Artificial Contraceptive Methods
• Induced Abortion or Medical Termination of Pregnancy (MTP)
• Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)
• Concept of Reproductive Health

Heredity

• Heredity
• Variation
• Accumulation of Variation During Reproduction
• Gregor Johann Mendel – Father of Genetics
• Monohybrid Cross
• Dihybrid Cross
• Characteristics (or Traits) Transmitted to Progeny
• Inheritance of Blood Groups
• Sex Determination in Humans
• Acquired and Inherited Traits

Light – Reflection and Refraction

• Nature of Light
• Reflection of Light
• Reflection of Light from Plane Surfaces: Plane Mirror
• Law of Reflection of Light
• Regular Reflection and Diffuse Reflection of Light
• Objects and Images
• Images Formed by a Plane Mirrors
• The Position of Image Formed in a Plane Mirror
• Uses of Plane Mirrors
• Spherical Mirrors
• Image Formation by Spherical Mirrors
• Rules for Obtaining Images Formed by Concave Mirrors
• Formation of Different Types of Images by a Concave Mirror
• Representation of Images Formed by Spherical Mirrors Using Ray Diagrams
• Sign Convention for Reflection by Spherical Mirrors
• Mirror Formula and Magnification
• Rules for Obtaining Images Formed by Convex Mirrors
• Formation of Image by a Convex Mirror
• Refraction of Light
• Effects of Refraction of Light
• Laws of Refraction of Light
• Refraction through a Rectangular Glass Slab
• The Refractive Index
• Refraction by Spherical Lenses
• Rules for Obtaining Images Formed by Convex Lenses
• Formation of Different Types of Images by a Convex Lens
• Image Formation by Lenses
• Image Formation in Lenses Using Ray Diagrams
• Sign Convention for Reflection by Spherical Mirrors
• Lens Formula and Magnification
• Lens Formula and Magnification Formulae for a Concave Lens
• Power of a Lens

The Human Eye and the Colourful World

• Human Eye
• Working of the Eye
• Rods and Cones
• Power of Accommodation
• Range of Vision of a Normal Human Eye
• Advantages of Having Two Eyes for Vision
• Defects of Vision and Their Corrections > Myopia
• Defects of Vision and Their Corrections > Hypermetropia
• Defects of Vision and Their Corrections > Presbyopia
• Glass Prism
• Refraction of Light through a Prism
• Dispersion of Light Through a Prism
• The Rainbow
• Atmospheric Refraction
• Scattering of Light

Electricity

• Electric Charges
• Conductors and Insulators
• Electric Potential and Potential Difference
• Electric Current
• Electric Circuit
• Circuit Diagram
• Ohm's Law
• Resistance of a Conductor
• Graph Between V and I
• Experiment to Verify Ohm's Law
• Good Conductors, Resistors and Insulators
• Factors Affecting the Resistance of a Conductor
• Resistivity
• Resistance of a System of Resistors
• Resistors in Series
• Resistors in Parallel
• Domestic Electric Circuits
• Heating Effect of Electric Current
• Practical Applications of Heating Effect of Electric Current
• Electric Power
• Commercial Unit of Electrical Energy
• Effects Produced by Electric Current
• Applications of the Heating Effect of Current

Magnetic Effects of Electric Current

• Introduction to Magnets and Their Properties
• Electromagnetism
• Magnetic Field and Field Lines
• Magnetic Field of Earth
• Magnetic Effect of Current (or Electromagnetism)
• Magnetic Field Due to a Current-Carrying Conductor
• Magnetic Field due to a Current through a Straight Conductor
• Right-hand Thumb Rule
• Magnetic Field due to a Current through a Circular Loop
• Magnetic Field due to a Current in a Solenoid
• Electromagnet
• Magnetism in Human Beings
• Force on a Current-Carrying Conductor in a Magnetic Field
• Domestic Electric Circuits

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