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HEAT Heat  It is a kind of energy which produces the sensation of warmth. It can also be defined as the internal energy of a body which is transferred from one body at higher temperature to a body at lower temperature, till their temperature become equal. Its C.G.S. and M.K.S. units are calorie (cal) and […]

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Friction Friction  (a) Definition. Whenever a body moves or tends to move over the surface of another body, a force comes into play which acts parallel to the surface of contact and opposes the relative motion. This opposing force is called friction. (b) Type. It has following types : (i) Static friction. It is the […]

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Viscosity Physics Lab ManualNCERT Solutions Class 11 Physics Sample Papers Viscosity  Definition. It is the property of a fluid by virtue of which an internal resistance comes into play when the fluid is in motion, and opposes the relative motion between its different layers. Demonstration. Take some water in a glass tumbler and stir it […]

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Elasticity Physics Lab ManualNCERT Solutions Class 11 Physics Sample Papers Rigid body  A body is said to be a rigid body, if it suffers absolutely no change in its form (length, volume or shape) under the action of forces applied on it. Such conditions are only ideal and in nature no body is perfectly rigid. […]

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Unseen Passage for Class 4 to Class 10 English solved by Expert English Teachers as per NCERT (CBSE) Book guidelines. Types of Passages, Tips to Solve Comprehension Passages, Steps for Complete Comprehension, How to Approach Comprehension Questions Notes to help you to revise complete Syllabus and Score More marks in your examinations

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Lakhmir Singh Class 10 Biology Lakhmir Singh Class 9 Physics Lakhmir Singh Class 9 Chemistry PS Verma and VK Agarwal Biology Class 9 Solutions Lakhmir Singh Science Class 8 Solutions Learn

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Lakhmir Singh Class 10 Biology Lakhmir Singh Class 9 Physics Lakhmir Singh Class 9 Chemistry PS Verma and VK Agarwal Biology Class 9 Solutions Lakhmir Singh Science Class 8 Solutions Learn

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Surface Tension Physics Lab ManualNCERT Solutions Class 11 Physics Sample Papers Attractive molecular and atomic forces   Molecules (atoms) exert an attractive force between themselves. These attractive inter- molecular inter atomic forces are of two types : 1. Cohesive force or force of cohesion 2. Adhesive force or force of adhesion. 1. Force of cohesion. […]