d computer science

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..

Two Bodies of Mass m Separated by a Distance d..

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..

This disease is caused by vitamin D deficiency. Vitamin D is synthesized naturally in the presence of sunlig..

Jaundice is the disease that effects the liver which is caused by viral infection. The types of hepatitis are A, B, C, D, E and..

Cod liver oil, fish, milk are rich in vitamin D. If included in the diet, it prevents the disease and / or controls i..

Question: The power of a convex lens of focal length 50 cm is ______. 1. + 2D 2. - 2D 3. 50 D 4. - 5D Answer: ..

Two small strips of carbon, known as brushes press slightly against the two split rings, and the split rings rotate between the brushes. The carbon brushes are connected to a D.C. sour..

The electronic configurations of some of the elements are detailed below. How many valence and core electrons do the following have?(a) Al : 2, 8, 3(b) Mg: 2, 8, 2(c) Cl : 2, 8, 7(d) Ca : 2, 8, 8..

Question: Identify the type of inertia in the following cases. (a) Falling of fruits when a branch of a tree is shaken (b) An athlete runs a distance before taking a leap in a high jump (c) A passenger moving forward when a train stops (d) A passenger jumping out of a moving bus fall..