what is summary

Light is a form of energy which can be reflected either by a plane or spherical mirror. Depending upon the type of mirror used for reflection of light the use of reflecting surface also varies. In the next chapter let us see what happens when light moves from one medium to anoth..

'Night of the scorpion' is a poem that can be understood at two levels at one level, the poet describes how, on a rainy day the narrator's mother is bitten by a scorpion and what are the chain reactions to i..

Energy band of a solid is the large number of energy levels confined in a small region of energy range of a given solid, constitute what is known as energy bands. In some solids, there is an energy gap in between the energy bands. This energy gap is called forbidden gap. The energy ba..

In this poem, the mirror is the speaker. It is an autobiographical poem. The mirror talks about itself, its surroundings and the woman who uses it. In this way, it gives its observations in an objective way without any personal bias. The mirror say that its appearance is silver and exact. It do..

. He says that Caesar was ambitious and he has rightly answered for it in his death. But in the next breath he explodes this by stating that Ceasar brought many prisoners home to Rome and their ransoms helped to fill the state treasury. If Brutus says that Caesar was ambitious, then ambition should..

. He used to sleep and dream of his home. But on the nineteenth day of his captivity on earth, Ch-tsal awoke to a horrifying calamity. His jeweled feathers from his back and sides and down from his body had fallen out in the night. This calamity was as bad as it would be if humans suddenly found on..

. They all sat and related incidents of other mad men who had stranger habits and laughed at their own experiences with mad men. For several days after that, Ali did not go to the post-office. No one had sympathy or understanding to guess what the reason could be, but they were all curiou..

m)C 2 Nuclear fission is the phenomenon of splitting a heavy nucleus into two or more smaller nuclei. Mass defect in this process appears in the form of energy. The fission 92 U 235 by thermions is neutron as: The Q value of the reaction is 200 MeV. Under suitable conditions, the th..

While the nervous system and endocrine system have their own features, they have a common method of communication. Both the systems release chemicals to communicate between cells. Together these two systems carry out a very complex process of maintaining a homeostatic (balanced) internal environme..

Environment is defined as the surroundings in which the organism lives. It has two components - abiotic and biotic. The abiotic environment includes the air (atmosphere), water (hydrosphere) and land (lithosphere). The biotic environment includes the plants, animals and the microbes. The th..