cbse results 2008 examination results

The examination results will be declared sometime between 10 A.M. to 2 P.M. on Internet. To know the result Sam went to the Internet caf at 11 A.M. and came out at 12-noon. What is the probability that Sam sees the exam results? => 1 2 or 1 4 or 1 5 or 1 3..

Ten students who were afraid of examinations were given a test and their scores were recorded. They were given proper counseling to get rid of their fear and were given another test after the counseling. The results of both the tests were recorded as in the table. Find the 90% p..

If we rub our hands for a while, the hands become warm. Let us examine the process. Rubbing hands is mechanical work and in this process heat is generated. We can say heat energy is produced as a result of mechanical work. Let us examine another example - when you ligh..

Social pressure People drink for the sake of company of their friends, bosses, and juniors and then it becomes a habit. Intoxication Alcohol can cause intoxication of central nervous system. Escapism Those who would like to escape from the problems of life or escape from disappointments..

In order to find out some other factor that may be responsible for the feasibility of a process, let us examine endothermic reactions. The simplest process occurring without any energy change (where D H is almost zero) may be illustrated with the help of following experiment. fig 4.4 (b) ..

Mendel was primarily a monk in a monastery. In addition to his normal duties of preaching in the church, Mendel evinced a keen interest in the maintenance of the garden in the premises of the church. In the course of his routine rounds in the garden, Mendel was keenly observing the pattern of inher..

o . In such a prism, the angle of incidence in the denser medium is 45 o (>C) and hence light suffers total internal reflection. The brilliance of diamond is due to total internal reflection. Now m for diamond is 2.42 o and c (the critical angle) is 24.4 o for diamond-air interface. The..