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

MAGNETS

MAGNETS: Magnets:  The substances having the property of attracting iron, are known as magnets. Discovery of Magnets: A shepherd, names Magnes, ...

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...