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K@Łp@N@ $Øđh!?? 6 years, 3 months ago
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Jagdeep Singh 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
The hydrogen spectrum is an important piece of evidence to show the quantized electronic structure of an atom. The hydrogen atoms of the molecule dissociate as soon as an electric discharge is passed through a gaseous hydrogen molecule. It results in the emission of electromagnetic radiation initiated by the energetically excited hydrogen atoms. The hydrogen emission spectrum comprises radiation of discrete frequencies. These series of radiation are named after the scientists who discovered them.
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Yogita Ingle 6 years, 3 months ago
Lucas reagent is a solution of anhydrous ZnCl2 & conc.HCl. This solution is used to classify alcohols of low molecular weight. This reaction is substitution in which a chloride replaces hydroxyl group. It is to differentiate between Primary, Secondary & tertiary alcohols.
ROH + HCl ------> RCl + H2O
Posted by Keshav Dohare 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
Relative Poverty: It is defined from the social perspective that is living standard compared to the economic standards of population living in surroundings. Hence it is a measure of income inequality. For example, a family can be considered poor if it cannot afford vacations, or cannot buy presents for children at Christmas, or cannot send its young to the university.
Usually, relative poverty is measured as the percentage of the population with income less than some fixed proportion of median income.
It is a widely used measure to ascertain poverty rates in wealthy developed nations.
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Yogita Ingle 6 years, 3 months ago
CTBT stands for Comprehensive Test Ban Treaty which was implemented to ban all nuclear explosions in all sorts of surroundings. On 10 September 1996, it was adopted by the United Nations General Assembly. Countries like China, Egypt, India, Iran, Israel, North Korea, Pakistan, United States are yet to ratify the treaty
NPT stands for Non-Proliferation Treaty that aims to prevent use of nuclear weapons in peaceful uses of nuclear energy. It was signed in 1968 but entered into force in 1970. 190 parties have joined the treaty and with five states were recognized as nuclear weapon states. These are United States, Russia, The United Kingdom, France and China.
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Gaurav Seth 6 years, 3 months ago
The lightning discharge is an example of electric discharge through gas at low pressure. The atmospheric pressure is low at high altitude and the electric discharge takes place there but it does not take place at low altitude where there is high pressure. Hence lightning discharge takes place at high altitude but not at low altitude.
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Gaurav Seth 6 years, 3 months ago
Over the decades, man has come up with several unique and resourceful inventions. The computer and machines have begun to control and replace the important functions earlier performed by man. We have grown extremely dependent on artificial intelligence. However, it is widely believed that artificial intelligence cannot replace human intelligence, as man is the creator of machines.
Human brain can work constantly and more efficiently to create and make use of something wisely. Humans are capable of learning, grasping, understanding the concept of various things. Humans are curious to discover and create new things. Humans are multi-talented whereas machines are not. Artificial intelligence is also created by human brains and their functions are limited.
Machines are superior to humans in terms of speed and accuracy. Calculators for example work more accurately and speedily than human brains to make calculations. Human brain programs the functioning of any kind of machine. Human brains develop naturally by observing, experimenting, learning and discovering, but the improvement in machinery is possible only when its mechanical brain is fed by humans. Also, there is no emotional intelligence in machines. Emotions play a major role in developing human brain.
Thus, the capacity of machines is limited whereas humans are always experimenting, creating, inventing and discovering more and more.
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Anuradha Chhonkar 6 years, 3 months ago
2Thank You