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Introduction
Appliances used in our day to day life are based on the principles of electricity and magnetism. Electricity is one of the most important sources of energy. Lights, fans, motors, radios and television are some common appliances which work on electricity. Historically, it was frictional electri..
Appliances used in our day to day life are based on the principles of electricity and magnetism. Electricity is one of the most important sources of energy. Lights, fans, motors, radios and television are some common appliances which work on electricity. Historically, it was frictional electri..Structure of Atom
When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are about 60,000,000,000,..
When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are about 60,000,000,000,..Density
0.5 kg of cotton occupies more space than 0.5 kg of iron. The particles of iron are closely packed while that of cotton are loosely packed. The amount of iron packed in a unit volume is more. This explains as to why iron is heavier than the same volume of cotton. In Physics, we describe the lightne..
0.5 kg of cotton occupies more space than 0.5 kg of iron. The particles of iron are closely packed while that of cotton are loosely packed. The amount of iron packed in a unit volume is more. This explains as to why iron is heavier than the same volume of cotton. In Physics, we describe the lightne..Newton's Third Law of Motion and Force of Gravitation
Where F is the force, G = gravitational constant = 6.6734 x 10 - 1 1 Nm 2 /kg 2 m 1 = Mass of the Earth = 6 x 10 2 4 kg m 2 = Mass of the object = 1 kg d = distance between the object and the Earth = height from the ground + radius of the Earth Radius of the Earth = 6.4x10 6 m = 6400000 m..
Where F is the force, G = gravitational constant = 6.6734 x 10 - 1 1 Nm 2 /kg 2 m 1 = Mass of the Earth = 6 x 10 2 4 kg m 2 = Mass of the object = 1 kg d = distance between the object and the Earth = height from the ground + radius of the Earth Radius of the Earth = 6.4x10 6 m = 6400000 m..Laws of Refraction
The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane. For any two given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. The second law is called Snell's law after the..
The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane. For any two given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. The second law is called Snell's law after the..pH of Salts
Basic salts are stronger in their basic nature and show a pH greater than ..
pH of Salts
Neutral Salts - A neutral salt arises due to the neutralization reaction. Here, salts of strong acid and strong base combine to form such salts that show a neutral pH of ..
Force of attraction between two bodies of mass m separated by a distance d:
Two Bodies of Mass m Separated by a Distance d..
Two Bodies of Mass m Separated by a Distance d..E- waste
E-waste What contributes to e-waste? Discarded electronic devices like televisions, personal computers, floppies, audio-video CDs, batteries, electric switches, telephones, air conditioners, cellphones, electronic toys, refrigerators, washing machines, dryers, kitchen utensils and eve..
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