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How mirror can be identified by observing the values of the magnification?

How mirror can be identified by observing the values of the magnification? If an object is placed within the focal length of a mirror, the image of the object will get magnified in case of a concave mirror, and will get diminished in case of a convex mirror. The value of magnification will be greater than 1 in case of a concave mirror, and less than 1 in case of a convex mirror.
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Explain weak nuclear force

Explain weak nuclear force The short range and small magnitude force that exists between the fundamental particles within the nucleus is called weak nuclear force. Due to this force the nucleus becomes unstable and beta decay occurs. Most of the radioactive disintegration occurs due to weak nuclear force. The range of this force is less than 10 -16 m.
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Define unbalanced force

Define unbalanced force When two or more forces acting on an object produce resultant force, i.e. the object has acceleration; we say that the forces are unbalanced. The forces that produce this unbalanced condition are called unbalanced forces.
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My School

Write a paragraph about 'Your School'. My School The name of our school is A.K. High School and College. It is located beside the Dhaka-Chittagong highway. It is one of the best and oldest schools in the district of Dhaka. Our school is a four storied building. It has about thirty-eight rooms. There are sixteen hundred students and thirty-two teachers in our school. Our school library is very rich. There are a lot of books in it. There is a beautiful garden in front of headmaster's room. There are science laboratories in our school. All the teachers are friendly and qualified. They take special care of us and love us dearly. We have a big field in front of our school. The results of our school have all along been satisfactory. We hold annual sports and annual drama every year in our school. We are very proud of our school.
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How to make Custard

How to make Custard Quantities needed: 3 eggs, pinch of salt, 1 pint milk, flavouring to taste, 1 tbs sugar. Making process: First, we beat the eggs, salt and sugar enough to mix well. Then, we heat the milk and pour the hot (not boiling) milk on to the eggs and stir well. Next, we need add flavouring to taste. After that, we pour into a greased dish. When using the higher temperature, we place the dish in a baking tin with hot water to come half-way up the sides of the dish. Then, we bake until set. Finally, to test for setting, we slip the blade of a knife into the custard sticking to it, the baking is finished. The custard may not be quite done in the middle, but there will be sufficient heat in it to finish the cooking and taking it out at this stage prevents overcooking and curdling.
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How to prepare for the Exam.

How to prepare for the Exam. To prepare for the exam, we should read books according to our class routine. When the teacher teaches in the class, we must listen carefully. If we do not understand any point, we should request him / her to explain it again. At home, we have to read the lesson again and again. We must try to understand what we read. We have to think over the possible questions. Then, we must write answers to those questions. For Arithmetic, we should do the sums ourselves. If necessary, we must take help of others. We shouldn't leave any subject for the exam unprepared.
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Tooth-Brushing

Tooth-Brushing First, wet the toothbrush and put some toothpaste with fluoride in it on the toothbrush. Then, we brush the teeth vigorously from side to side for quite a while. At the same, time we make sure that the insides of the teeth are thoroughly cleaned.  Finally, we rinse several time the toothpaste foam and the food debris out of the mouth.
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How to make a cup of Tea.

How to make a cup of Tea. To make a cup of tea is an easy task. The first step is to put the water-kettle on. When the water boils over, we take the kettle off the boil. The second step is to pour the steaming water into a cup of tea. The third step is to put a tea a bag into the cup. After a while, we take the bag out of the cup. The final step is to put milk and sugar and stir the liquid with a teaspoon. The cup of tea is now ready for drinking.
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How to improve our English.

How to improve our English. English is an international language. We should learn it carefully. First, we have to study English regularly right from the beginning of the school year. We must not do cramming. Then, we must try to understand what we read. Therefore, we have to make own notes, get them corrected by our teacher and revise them frequently. Next, we must read our lessons thoroughly and have a fairly good command of the language. After that, we have to read story books written in simple English.  Finally, we must note down the unknown words and look up them in the dictionary.
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How to collect Tea Leaves.

How to collect Tea Leaves. Tea is a popular drink. It is good for health. It is made of green tea leaves. Tea leaves are picked up of the tea plants generally four times in a year. The picking starts in the month of April. Then, the young leaves are dried in the sun or in the air. Next, they are rolled over by machines. After that, they are again dried in a hot room. Green tea is obtained by drying the leaves quickly and black tea is obtained by drying slowly. Green tea is the best quality of tea.  Finally, dried leaves are packed and ready for sale.
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Popular Posts

What is the series connection of resistors?

What is the series connection of resistors? If two or more resistors are connected one after another then the connection is a series connection. You may like The conductivity of any conductor depends on which factors? What is a variable? What do you understand by 1 V potential difference? What is the voltage of the ground wire? What is a kilowatt-hour? What do you understand by 1 W of electricity? What is the series connection?
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The Importance of Information and Communication Technology

The Importance of Information and Communication Technology Information and Communication Technology can change the world Information and Communication Technology is the key to the governance of the world. We can see the impact of Information and Communication Technology everywhere. Information and Communication Technology is the best way to improve a community, because most developments are now impossible without Information and Communication Technology. Our everyday tasks are also depend on Information and Communication Technology now. Employment, communication, business, treatment, and research - everything is depend on Information and Communication Technology. Information and Communication Technology is improving the lifestyle of people every day. Therefore, Information and Communication Technology can change the world very easily. Importance of Information and Communication Technology in Education Information and communication Techno
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What is biological coin?

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What is a biological coin? ATP is called the energy coin of the cell because it can store energy and can supply that energy to the cell's demand. ATP (Adenosine triphosphate) is known as 'biological currency' or energy coin, where energy is stored and can be used whenever the cell demands it.  Energy is released from the photosynthesis process to generate foods through respiration. Usually, this energy is stored within ATP in the bond of the terminal phosphate group. When this bond is broken, energy is released, which can be used in different physiochemical reactions. The basic mechanism of production and utilization of energy in the body of a living organism is its bio-energy. This is not very different from the definition of energy given in physics. The energy we get from making and breaking chemical bonds in the molecules found in biological organisms is called by this name. Living organisms continuously collect energy from the environment, transform them one from on
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Why motha grass is called C4 plant?

In 1966, two Australian scientists, M.D. Hatch and CR. Slack discovered the reduction pathway of  CO 2 . The first stable substance formed in this pathway is 4-carbon based Oxaloacetic acid. Therefore, this pathway is also called  C 4  pathway, and plants demonstrating this pathway like Motha grass is called  C 4  plants. You may like Do I need car insurance? What is car insurance? How could I get cheaper car insurance? What is auto insurance? Why Adulterant food is the barrier to sound health? What are the producers? What are food preservatives? What is food chain? What is tertiary consumer?
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What is Buoyancy?

What is called Buoyancy? The ability of a fluid to exert an upward force on an object that is immersed in it called buoyancy. The upward force that liquid or gaseous matter applies perpendicularly on an object partially or completely submerged in the liquid or gaseous matter is called buoyancy. or, Buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object You may like Do I need car insurance? What is car insurance? How could I get cheaper car insurance? What is auto insurance? Why Adulterant food is the barrier to sound health? What are the producers? What are food preservatives? What is food chain? What is tertiary consumer?
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When you open the gas cylinder used for cooking, which action takes place first diffusion or effusion?

When you open the gas cylinder used for cooking, which action takes place first diffusion or effusion? The pressures of the ingredients of body spray inside and outside of the container are not the same. The pressure is greater inside the container. When the molecules of the gas come out through small pores into a low-pressure zone from a high-pressure zone, effusion happens. Due to the application of pressure, the molecules present in body spray come out through the small pores. The spontaneous movement is blocked by the pore of the container. The bigger the pore size, the more spontaneous the movement is. When the condition becomes absolutely pressure-less, it becomes diffusion. So in the case of a body spray, first effusion takes place, then diffusion happens. You may like Do I need car insurance? What is car insurance? How could I get cheaper car insurance? What is auto insurance? Why Adulterant food is a barrier to sound health? What are the producers? What are food preservati
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States of Matter

  Chemistry Chapter - 2: States of Matter 👉   All Chapter Contents   👈   2.1 Three States of Matter 2.2 Kinetic Theory of Particles 2.3 Diffusion 2.4 Effusion 2.5 Burning of a Candle and the Three States of Wax 2.6 Melting and Boiling 2.7 Distillation and Sublimation Question Bank 2.1  Three States of Matter * 2.2  Kinetic Theory of Particles * 2.3 Diffusion * 2.4 Effusion * 2.5 Burning of a Candle and the Three States of Wax * 2.6 Melting and Boiling * 2.7 Distillation and Sublimation * Secondary Chemistr y Chapter - 1 : Concept of Chemistry Chapter - 2 : States of Matter Chapter - 3 : Structure of Matter Chapter - 4 : Periodic Table Chapter - 5 : Chemical Bond Chapter - 6 : Concept of Mole and Chemical Counting Chapter - 7 : Chemical Reactions Chapter - 8 : Chemistry and Energy Chapter - 9 : Acid-Base Balance Chapter - 10 : Mineral Resources: Metal - Nonmetal Chapter - 11 : Mineral Resources: Fossils Chapter - 12 : Chemistry in Our Lives
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Why is the value of g is different in polar, equinoctial and the tropical regions?

Why is the value of g is different in polar, equinoctial, and tropical regions? As the earth is not perfectly round, the polar regions are a bit compressed, therefore the radius of the earth R is not constant. Hence the value of g is not the same at all places on earth. The value of g is different in different places on earth. The value of g is highest in the polar region and it is 9.83217 ms -2 . In the equinoctial region, it is 9.78039 ms -2  and in the tropical region, it is 9.78918 ms -2 . Its value at sea level altitude of 45 degrees is accepted as the standard value. The standard value of g is 9.80665 ms -2 . For convenience, the standard value of g is taken to be 9.8 ms -2  or 9.81 ms -2 . You may like What is the reason behind the attraction between earth and moon? Can we say that acceleration due to gravity is uniform acceleration? If so, then why? Gravity is one kind of gravitation. Explain it. How the skydivers descend safely to the ground with the help of a parachute? 
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