CLEAR YOUR CONCEPTS
Tuesday, 16 February 2016
Motion and its Types
CLEAR YOUR CONCEPTS: Motion and its Types: Rest: If an object does not change its position with respect to time, then the object is said to in rest. Motion: If an object changes ...
Sunday, 14 February 2016
LIGHT AND SHADOWS
LIGHT AND SHADOWS: Light helps us to see objects. Luminous objects: Objects that give out or emit light of their own. Ex: Sun, Torch, Glow-worm, e...
Friday, 12 February 2016
PIN-HOLE CAMERA
PIN-HOLE CAMERA: CONSTRUCTION: Two boxes are taken so that one can slide into another with no gap in between. One side of each box is cut open. On the ...
Thursday, 11 February 2016
BOATS AND STREAMS
BOATS AND STREAMS: The following terms are frequently used in the problems on boats and streams. (a) Still water: It implies that the speed of water in th...
RATIO AND PROPORTION
RATIO AND PROPORTION: Ratio: The ratio of two quantities a and b in the same units, is the fraction and we write it as a : b . In the ratio a : b , we ca...
PARTNERSHIP
PARTNERSHIP: When 2 or more than two persons run a business jointly, they are called partners ; and the deal is known as partnership . Ratio of divisi...
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