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Prevost Theory of heat Exchange
According to Prevost, a body emits heat radiations at all temperatures which is independent of surroundings but the quantity of heat ...
Introduction to Chitwan National Park
National Parks, Conservation Area and Wildlife Reserves of Nepal Chapter-1 Chitwan national Park Chitwan National Park, t...
Newton's First Law of Motion
Newton's First Law of Motion Newton's first law of motion states that every object in the universe continues in its state of rest o...
Gravity and Gravitation
Gravity and Gravitation The force by which the Earth pulls objects downwards towards its center is called the force of gravity. Due to th...
Magnification of Object
Magnification of Object A microscope magnifies an object in two stages. The lens system magnifies the object the 5 to 100 times dependi...
English natural philosopher-Robert Hooke
Robert Hooke Robert Hooke Architect Robert Hooke was an architect, Natural philosopher and polymath. His adult life comprised three di...
Classification of Matter
Depending upon the shape, volume and rigidity, matter can be classified into three states, viz. solid, liquid and gas. a) ...
Newton's Third Law of Motion
Experiment to demonstrate that forces exist in pairs. i. A book lying on a table exerts a force equal to its weight on the table in the d...
Alexander Oparin-Theory of the origin of life
Born : March 2, 1894 Citizenship : Soviet Union Died : 21-April, 1980 Nationality : Russian Institutions : Moscow Sta...
Importance of Practical Work- Laboratory Protocal
Importance of Practical Work Safety Rules 1. Perform the laboratory experiments seriously. 2. Before conduction experiments, students mus...
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Introduction to Chitwan National Park
Principal Rivers of Nepal
Classification of Matter
Language of Chemistry
Origin and Evolution of Life
First Law of Thermodynamics
Concept of Heat and Temperature
Prevost Theory of heat Exchange
The leaves fall when a tree is shaken. Give reason.
The Positive charged nucleus of an atom attracts t...
Need and Importance of Quality of Life
Concept of Quality of Life
Relationship Between Quantity of Heat and Temperature
Population Distribution by Ecological Belts:
Distribution of Population by Ecological Belts and...
Introduction and Size of Population
Population Situation of Nepal
Population Situation of the World
Demography
Electrons and Photons- Short Question-Answers-4
Electrons and Photons- Short Question-Answers-3
Electrons and Photons- Short Question-Answers-2
Gravity and Gravitation
Electrons and Photons- Short Question-Answers
Privacy Policy
Propagation of sound - Wave Nature of Sound
Introduction and source of sound
An Introduction of Electricity
Short Question-Answers about waves and optics
Alexander Oparin-Theory of the origin of life
Biochemical Theory of Origin of Life
Some Illustrations of the Third Law
Newton's Third Law of Motion
Newton's First Law of Motion
Laws of Motion
Gravity and Gravitation
English natural philosopher-Robert Hooke
Question Bank of Microscope
Handling of Compound Microscope
Magnification of Object
Optical parts of a Compound Microscope
Study of Microscopes
Mountain Technique
Technique of free-hand section cutting
Preparation of different types of mount
Technique of free-hand section cutting
Laboratory Techniques
Significance of SI Units
Physical Quantities
Significance of Measurement
Introduction of Measurement
General Instructions to the Students
Preparation of Some Usefule Reagents- Laboratory P...
Students' Biological Practical Assets - Laboratory...
Importance of Practical Work- Laboratory Protocal
Laboratory Protocal
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Prevost Theory of heat Exchange
Introduction to Chitwan National Park
Newton's First Law of Motion
Gravity and Gravitation
Magnification of Object
English natural philosopher-Robert Hooke
Classification of Matter
Newton's Third Law of Motion
Alexander Oparin-Theory of the origin of life
Importance of Practical Work- Laboratory Protocal
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