National Institute of Open Schooling : Latest Notification No. 13/2020 Posted on 14/04/2020

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NCERT Class 12 Biology Notes : 1. Reproduction in Organism 2. Sexual Reproduction in Flowering Plants 3. Human Reproduction 4. Reproductive Health 5. Principles of Inheritance and Variation 6. Molecular Basis of Inheritance 7. Evolution 8....

NCERT Class 11 Biology Notes : 1.The Living World 2. Biological Classification 3. Plant Kingdom 4. Animal Kingdom 5. Morphology of Flowering Plants 6. Anatomy of Flowering Plants 7. Structural Organisation in Animals 8. Cell The Unit of...

1. Production of Sound Sound is produced due to the vibration of objects. Vibration is the rapid to and fro motion of an object. Vibrating objects are the source of all sounds Irregular, chaotic vibrations produce noise Regular, controlled...

WORK AND ENERGY 1.Work Done By A Constant Force • Work is a scalar quantity equal to the product of the displacement x and the component of the force Fx in the direction of the displacement.. • Work is defined as a force...

1 Motion (Uniform Motion And Non Uniform Motion, Acceleration and Velocity) • A particle is a point-like object, has mass but infinitesimal size • The object’s position is its location with respect to a chosen reference...