How to earn money online by using smartphone


 

 

I am Saheb Sarkar from purnea .

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What are the factors Affecting Buoyant Force ?

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                                                            Buoyancy The tendency of a liquid to exert an upward force on an  object place in it, is called buoyancy. In general, whenever an object (or body) is immersed in water (or any other liquid),it appears to lose some weight and feels lighter.                         Buoyant Force When in object is immersed in a liquid, it experiences an upward force.This upward force is called buoyant force. Thus, the upward force acting on an object immersed in a liquid is called buoyant force.  It is due to the upward 'buoyant force' exerted by a liquid that the weight of an object appears to be less in the liquid than its actual weight in the air.          ...
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Why do we need to wear cotton clothes in summer days?

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 Hy Guys , Welcome to my Blog,  In this Blog actually I am going to talk about the wearing of clothes. Why we need to wear clothes? We need to wear clothes because clothes protect us from heat, rain, many harmful rays, and als o protect us from insect and many more things.               Clothes has many types :- 1. Synthetic clothes  2.   Artificial clothes  Why we need to wear cotton clothes in summer days? We should wear cotton clothes in hot summer days to keep cool and comfortable. This can be explained as follows : We get a lot of sweat (pasina) on our body in hot summer days. Now, cotton is a good absorber of water, so it absorbs the sweat from our body and exposes it to the air (or atmosphere) for evaporation. The evaporation of this sweat cools our body.  The synthetic clothes (made of polyester, etc.) do not absorbed much of sweat, so they fail to keep our body cool in summer. A fan increases the rate of swea...
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What is mixtures and how many type of mixtures?

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Explanation about mixtures  A mixture is a substance which consists of two or more element or compounds not chemically combined together. For example, air is a mixture of gases like nitrogen, carbon dioxide, humidity, etc. The various gases of the air are not chemically combined with one another. Similarly gunpowder is a mixture of potassium nitrate,whereas brass is a mixture of Copper and Zinc. All the solutions are mixtures. For example, salt solution is a mixture of of common salt and water. The various substances present in the mixture are known "as constituent of the mixture" or "components of the mixture". Some of the examples of mixture are : Air, Salt solution, Sugar solution, Kerosene oil, Ink, Petrol, Lime water, Coal, Soil, Blood, Soap solution, Iron and sulphur mixtures, etc.     Copper sulphate solution is a homogeneous mixture  Types of Mixtures  Mixtures are of two types: 1. Homogeneous mixtures,  and  2. Heter...
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