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Propagation of Wave If we drop a metal things , it makes a noise. Again, by hit a table of wood we can make a noise. We can see a vibration makes a waves or a sound. Again, if the vibration stopped,  the wave or noise will stop. If we catch a vibrative things, the vibration and the noise both will stop. When we speak, the sound delivered as a wave in the air medium.  So we can decide, the sound is makes by vibration. Noise waves the medium and  the vibration delivered as a wave. Then a wave started. The vibrative medium is the Source of the sound. If we throw a stone in a pond, it makes a wave. The wave transferred atom to atom and it  spread to all over the pond. But no water grain has moved from its own place by this wave. It only transferred the energy from atom to atom. So we can say, The energy made by the stone drop in the water is transferred in all over the pond as a wave. If you face any problem or if you have any question please co...

A Student The student life is a period  in which boys and girls get their education in schools and College.  It is an important period of a mans life.  Every period of life has its duties.  The main duty in students life is to gain knowledge. For this a student hardly studied . A student is like a plant. With proper help he can grow up as a banyan tree. A student must have to complete his lesson everyday. So he can solve his all of lecture. He need a proper guideline. He need a good tutor. A student need healthy food in his daily meal. He need a healthy life. We know that healthy mind means healthy body. Early to bed and early to rise Makes  A man healthy, wealthy and wise We know this quote . So a students need to rise in early and go to bed early at night. In the mean time he need to complete his lesson. A student is the future of a nation . We need to make him a proper human . He should not discriminate another. He must love his count...

Female education is very essential for the overall development of a nation.  About fifty percent of the total population of our  country are female. A country cannot expect her prosperity avoidingthe large part of population. But most of the women are lagging far behind in education. The rate of female literacy is about 20 percent. This rate of female literacy is alarming. Women need to be educated for different reason. To be a conscious citizen of the country, to be an active member of the family and society, to be a good mother or wife and to lead a self-reliant better life, a woman should be educated property.  Besides, educated women have higher income potential those who have had no schooling. An educated women is concious about her duties, rights and responsibilities. Moreover, every woman is a potential mother.  Education of child greatly depends upon it's mother.  An educated mother would be able to bring up her child properly. In conclusion, we can stay...

Though man is living now both in villages and cities, there are some differences between the two ways of life.  The development of the country depends both on the development of the cities and villages.  If the cities produced something,  the villages supply them  with the raw materials.  In the cities,  life is busy competitive and people live in polluted environment. But the environment of the villages is very fresh and hygienic.  Modern facilities are available in cities,  whereas most of the villagers are bereft of modern facilities.  Proper medical treatment and higher educational institutions are available in cities.  In the cities, people lead a very artificial life in the big buildings. But in the villages, one can lead a simple life in the lap of nature. So village life and city life have many points of difference. If you face any problem or if you have any question please comment here.

Woman can play a vital role in her family as well as in the society and their role is changing gradually. They are no more only mother and dependent on men. Woman are getting educated. They are becoming conscious about their rights and privileges. They are now working in almost all the sectors of national development competing with men equally.  They are providing their worth competing with men. They have started earning and contributing to the family income and at the same time they are exercising an influence on family affairs. Woman are serving the nation by being teachers, doctors, engineers, reporters, magistrates, intellectuals, political leaders, social workers, nurses, garments workers, pilots, and what not.  This changing attitude of Women will contribute to the development of the country to a great extent. If you face any problem or if you have any question please comment here.

Good manners are the external expression of onr's inner goodness and education. It is a person's positive way of behaving to words other. A person is judged by his manners. Good manners enriched the personality of an individual. A well mannered person is liked by most of our people and can prosper in life.  Good manners enhance his value and make him a worthy human being.  A good mannered man is polite and courteous. He respects the views and opinions of others although they differ from his own. He listens politely to what other have to say. He neither uses harass words to others nor does anything that may offend others.  An ill mannered man is rude and rough. He has not respect for the feelings of others.  He shows bad manners in various ways.  A man of unpublished manners is not liked by anyone. Everyone hates him. Good manners make life pleasant, smooth and easy.  Good manners do not cost anything but they gain for us love and respect. If...

E-mail or Electronic mail is one of the many modern devices of communication of textual message via electronic means.A personal computer, a modern and a telephone connection are needed for Email. This is not only a quick, easy and relatively cheap way to keep in touch with family and friends. It has also become an essential tool of business. Email has many advantages usefulness. Firstly, it reduces the use of paper in offices and business concerns. Internal memos and reports can be exchanged electronically without using paper. Sevondly, being a personal communication. Email turns out to be a cheaper alternative to telephone. With the help of email the world is in our hand . Maintaining communication with every one is so easy now. It works like Aladin's magic lamp. If you face any problem or if you have any question please comment here.