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Sound - Reflection And Refraction

लर्निङ सेन्टर
Deerwalk Learning center
कक्षा 9
Science
Sound - Reflection And Refraction

Sound - Reflection And Refraction

अघिल्लोSound - Wave Velocity, Medium And Spectrum अर्कोSound - Intensity And Pitch

टिप्पणीहरू

Science

१MEASURMENT२ पाठ

Measurement - Physical Quantity And Their Units
Length , Mass And Time And Conversion Of Units

२FORCE३ पाठ

Newtons First And Second Law Of Motion
Newtons Third Law Of Motion And Numericals
Force - Rest and Motion

३SIMPLE MACHINE४ पाठ

Simple Machine - Machine Advantage And Velocity Ratio
Efficiency And Friction In A Machine And Lever
Simple Machine - Pulley, Inclined Plane, Wheel And Axle
Simple Machine - Moment And Numericals

४WORK , ENERGY AND POWER३ पाठ

Work, Energy and its types
Power And Transformation Of Energy
Numericals On Work Energy And Power

५LIGHT३ पाठ

Refraction Of Light And Its Laws
Effects Of Refraction Of Light And Total Internal Reflection
Dispersion Of Light , Electromagnetic Waves And Its Properties

६Sound४ पाठ

Sound - Sources And Nature
Sound - Wave Velocity, Medium And Spectrum
Sound - Reflection And Refraction
Sound - Intensity And Pitch

७CURRENT ELECTRICITY AND MAGNETISM५ पाठ

Current Electricity And Magnetism - Ohm's Law
Current Electricity And Magnetism - Resistance
Current Electricity And Magnetism - Terrestrial Magnetism
Current Electricity And Magnetism - Magnetic Field
Sound, Current Electricity And Magnetism - Numericals

८CLASSIFICATION OF ELEMENTS३ पाठ

Atom, Atomic Structure, Electronic And Sub-Shell Configuration
Valence Electrons, Radicle And Molecular Formula
Chemical Bonds, Its Types And Molecular Weight

९CHEMICAL REACTION३ पाठ

Physical And Chemical Change, Chemical Reaction And Balanced Chemical Equations
Method Of Balancing Chemical Equation
Types Of Chemical Reactions And Catalyst

१०SOLUBILITY२ पाठ

Solubility - Solution And Its Types
Solubility Curve And Crystalization

११SOME GASES३ पाठ

Some Gases - Hydrogen
Some Gases - Oxygen
Some Gases - Nitrogen

१२METALS२ पाठ

Metals And Propoerties Of Metals
Differences Between Metals And Non-Metals, Role Of Metals In Organisms

१३CARBON AND ITS COMPOUNDS३ पाठ

Carbon And Its Compunds - Nature And Sources Of Carbon
Carbon And Its Compunds - Physical And Chemical Properties Of Carbon
Carbon And Its Compunds - Organic And Inorganic Compounds

१४WATER२ पाठ

Water - Sources Of Water And Properties Of Water
Uses And Types Of Water, Process Of Removal Of Hardness Of Water

१५CHEMICAL FERTILIZER USED IN AGRICULTURE३ पाठ

Chemical Fertilizer Used In Agriculture - Differences Between Organic And Inorganic Fertilizers
Chemical Fertilizer Used In Agriculture - Fertilizers And Its Types
Inorganic Fertilizers And Its Advantages And Disadvantages

१६CLASSIFICATION OF PLANTS AND ANIMALS७ पाठ

Classification Of Plants And Animals - Introduction
Classification Of Plants And Animals - Plantae
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Vertebrates
Mosquito

१७ADAPTATION OF ORGANISM५ पाठ

Adaptation Of Organism - Terrestrial And Aquatic Adaption
Adaptation Of Organism - Terrestrial And Aquatic Adaption
Adaptation Of Organism - Bacteria
Adaptation Of Organism - Virus
Adaptation Of Organism - Fungi And Protozoa

१८SYSTEM१० पाठ

System - Plant Tissue - Meristematic Tissue
System - Plant Tissue - Simple Permanent Tissue
System - Plant Tissue - Complex And Special Permanent Tissues
Skeletal System - Structure Of Bones, Types Of Bones And Its Functions
Skeletal System - Axial Skeleton And Skull
Skeletal System - Axial Skeleton - Vertebral Column And Thoracic Cage
Skeletal System - Appendicular Skeleton
System - Digestive System
System - Respiratory System
Excretory System

१९SENSE ORGANS५ पाठ

Sense Organs - Eye
Sense Organs - Nose
Sense Organs - Ear
Sense Organs - Tounge
Sense Organs - Skin

२०EVOLUTION४ पाठ

Evolution - Organic Evolution, Homologous And Analogous Organs
Giving Advice And Warnings - Exercise
Evolution - Lamarkism And Its Criticism
Evolution - Darwanism And Its Criticism

२१NATURE AND ENVIRONMENT३ पाठ

Nature And Environment - Biotic And Abiotic Factors
Nature And Environment - Ecosystems
Nature And Environment - Food Chain, Food Web And Ecosystem Services

२२NATURAL HAZARD२ पाठ

Natural Hazard - Disaster Management And Its Cycle
Natural Hazard - Glacier Flood, Glacier Lake Outbrust And Cyclone

२३GREEN HOUSE२ पाठ

Green House - Green House Effect And Artificial Green House
Rojan Adhikari

२४THE EARTH IN THE UNIVERSE५ पाठ

The Earth In The Universe - Units Used In Astronomy
The Earth In The Universe - Solar System And Motion Of The Earth
The Earth In The Universe - Phases Of The Moon
The Earth In The Universe - Shadow And Lunar Eclipse
The Earth In The Universe - Solar Eclipse