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Yogita Ingle 5 years, 9 months ago
Society is a web of social relationship. It is group of people who share a common culture, occupy a particular territorial area and feel themselves a unified and distinct entity.
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Yogita Ingle 5 years, 9 months ago
Coefficient of viscosity is defined as tangential force required to maintain a unit velocity gradient between two parallel layers of liquid of unit area.
>Mathematically,
Coefficient of viscosity (η)= Fr/Av where F = tangential force, r = distance between the layers , v = velocity.
Dimensional Formula of Force = M1L1T-2
Dimensional Formula of Area= M0L2T0
Dimensional Formula of distance= M0L1T0
Dimensional Formula of velocity= M0L1T-1
Putting these values in above equation we get,
[η]= [M1L1T-2][M0L1T0] / [M0L2T0] [M0L1T-1] = [M1L-1T-1]
Dimensional Formula of Coefficient of viscosity (η)=[M1L-1T-1]
SI unit of Coefficient of viscosity (η) is Pascal-second
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Geography is divided into two main branches: human geography and physical geography. There are additional branches in geography such as regional geography, cartography, and integrated geography.
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Medical applications
- Ultrasonic waves are used to capture the images of the heart and its features and problems associated with the heart, if any (for treatment purpose). This is called echocardiography.
- Ultrasound scans/Ultrasonography are very commonly used to get images of internal body organs such as liver, kidney, uterus. It helps the doctor to diagnose and treat problems in the body of the patient. In this method, ultrasound waves are made to travel through the body to the organ under consideration. They get reflected and these are converted to electrical signals which can be monitored on a screen.
- Ultrasonography is used to observe the growth of the fetus inside the uterus. It can also used to monitor the abnormalities.
- It is used to break kidney stones into fine grains which later get flushed out through urine.
Industrial Applications
- Ultrasound is used to clean machine parts located in places which are not easily accesible - electronic components, internal parts, spiral parts etc. The objects are placed in a cleaning solution and waves are passed through it. Because of the high frequency of the waves, the dust particles just fall out.
- It is used to detect defects, flaws, cracks in machine parts, bridges, building etc. Ultrasound waves are passed at one end and monitored using detectors. If there are laws or cracks, then the ultrasound waves are reflected back indicating the presence of a defect.
Posted by Kshitij Singh 5 years, 9 months ago
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Gaurav Seth 5 years, 9 months ago
The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms.
The features of the nitrogen cycle are-
(i)Nitrogen fixation-Atmospheric nitrogen must be processed, to be used by plants.
(ii)Assimilation-Plants can absorb nitrate or ammonia from the soil via their root hairs. If nitrate is absorbed, it is first reduced to nitrite and then ammonia.
(iii)Ammonification-Bacteria, or fungi in some cases, convert the organic nitrogen into ammonium, a process called ammonification.
(iv)Nitrification-Conversion of ammonia to nitrate is performed primarily by soil-living bacteria and other nitrifying bacteria.
(v)Denitrification- Denitrification is the reduction of nitrates back into the largely inert nitrogen gas, completing the nitrogen cycle which is performed by Clostridium in anaerobic conditions.
Posted by Divyanshi??? Singh 5 years, 9 months ago
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Gaurav Seth 5 years, 9 months ago
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Fundamental Rights |
Directive Principles of State Policy |
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They are provided in Part III of the Constitution. |
They are provided in Part IV of the Constitution. |
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They are justiciable and citizens can seek protection from a High Court or Supreme Court. |
They are not justiciable or enforceable by any court of law. |
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They are privileges for citizens to enjoy. |
They are to be used by the government to create privileges for the citizens. |
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They act as a certain kind of restriction on the State. |
They are directions for the State to attain a certain set of objectives. |
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Their objective is to establish political democracy. |
Their objective is to establish a Welfare State. |
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Since they are concerned with an individual’s rights, their scope is limited. |
As they deal with a wide range of subjects including international peace and security, their scope is wide. |
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Yogita Ingle 5 years, 9 months ago
A diet, which comprises adequate amounts of necessary nutrients required for a healthy growth and development of our body. A balanced diet includes both sufficient and nutritious food to ensure good health.
A normal balanced diet contains sufficient amount of fiber and the other nutrients provide the appropriate amount of energy and adequate amounts of water.
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Gaurav Seth 5 years, 9 months ago
It is not compulsory for partnership firms to get themselves registered. However, it is beneficial to get themselves registered because an unregistered firm has to suffer the following consequences :
1.A partner of an unregistered firm cannot file a suit against any other partner or the firm for enforcing his legal rights.
2.An unregistered firm cannot file a suit against any third party or partner for enforcing legal rights.
3.Any partner of an unregistered firm cannot claim a set off in a legal proceeding carried on against the firm by a third party for enforcing any legal right.
4.No salary or commission is provided to any of the partners.
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