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Explain the new auto-fuel policy laid do...

Explain the new auto-fuel policy laid down by Government of India to cut down vehicular pollution.

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Mass Emission Standards (Bharat Stage II which is equivalent to Euro-Il norms) are no more applicable in any of the cities of India. Details of the latest Mass Emission Standards in India are provided below :
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The neutron is a particle with zero charge still it has a non-zero magnetic moment with z-component 9.66 xx 10^(-27) A-m^(2) . This can be explained by the internal structure of the neutron. The evidence indicates that a neutron is composed of three fundamental particles calleed quarks : an "up" (u) quark, of charge + (2e)/(3) , and two "down" (d) quarks, each of change - (e)/(3) . The combinations of the three quarks prodcues a net charge of (2e)/(3) - e/3 - e/3 = 0 . If the quarks are in motion they can produce a non-zero magnetic moment. As a very simple model, suppose the u quark moves in a counter clockwise circular path and the d quarks move in a clockwise circular path, all of the radius r and all with the same speed v see figure. The current due to the circular motion of the u quark :-

The neutron is a particle with zero charge still it has a non-zero magnetic moment with z-component 9.66 xx 10^(-27) A-m^(2) . This can be explained by the internal structure of the neutron. The evidence indicates that a neutron is composed of three fundamental particles calleed quarks : an "up" (u) quark, of charge + (2e)/(3) , and two "down" (d) quarks, each of change - (e)/(3) . The combinations of the three quarks prodcues a net charge of (2e)/(3) - e/3 - e/3 = 0 . If the quarks are in motion they can produce a non-zero magnetic moment. As a very simple model, suppose the u quark moves in a counter clockwise circular path and the d quarks move in a clockwise circular path, all of the radius r and all with the same speed v see figure. Determine the magnitude of the magnetic moment due of the circular u quark :-

KUMAR PRAKASHAN-ENVIRONMENTAL ISSUES-Section - F (Multiple Choice Question (MCQs))(MCQs ASKED IN COMPETITIVE EXAM)
  1. Explain the new auto-fuel policy laid down by Government of India to c...

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  2. Kyoto Protocol was endorsed at  (A) COP-3 (B) COP-5 (C) COP-6...

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  3. The Air Prevention and Control of Pollution Act came into force in   ...

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  4. Global warming can be controlled by   (A) Reducing deforestation, cut...

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  5. A scrubber in the exhaust of a chemical industrial plant removes (A) ...

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  6. The zone of atmosphere in which the ozone layer is present is called

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  7. The UN conference of Parties on climate change in the year 2012 was he...

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  8. Eutrophication of water bodies leading to killing of fishes is mainly ...

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  9. Acid rain is caused by increase in the atmospheric concentration of  ...

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  10. Which of the following are most suitable indicators of sulphur dioxide...

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  11. Increase in concentration of the toxicant at successive tropic levels ...

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  12. A lake which is rich in organic waste may result in   (A) increased p...

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  13. The highest DDT concentration in aquatic food chain shall occur in

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  14. Depletion of which gas in the atmosphere can lead to an increased inci...

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  15. Which one of the following statements is not valid for aerosols ?   (...

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  16. Match the items given in Column - I with those in Column - II and sele...

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  17. World Ozone Day is celebrated on

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  18. In stratosphere, which of the following elements acts as a catalyst in...

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  19. Which of the following is a secondary pollutant ?

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  20. Which of these following methods is the most suitable for disposal of ...

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  21. Which of the following pairs of gases is mainly responsible for green ...

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