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General Knowledge - General Awareness Quiz - Questions and Answers, GK 2017


1. Which state is hosting the 2017 India-ASEAN Youth Summit?


2. Which airline will become the world’s first airline to adopt new satellite-based airplane tracking system?


3. The Kumbhalgarh Wildlife Sanctuary (KWS) is located in which district of Rajasthan?


4. What is the theme of 2017 World Maritime Day (WMD)?


5. The 2017 Pakke-Paga Festival has been held in which state?



6. Who will become the chairman of the newly constituted National Board for Electric Mobility (NBEM)?


7. Manpreet Kaur, who in 2017 clinched Gold at the 2017 Asian Grand Prix Meet, is associated with which sports?


8. Who has topped a poll of the most powerful Arab women in government 2017, according to latest Forbes Middle East report?


9. The Andaman and Nicobar Islands administration has celebrated the 74th anniversary of First Flag Hoisting Day on which date?


10. The Mahananda Wildlife Sanctuary (MWS) is located in which state?


General Knowledge

1. World Geography -Test-01
2. World Geography -Test-02
3. World Geography -Test-03
4. Geography of India -Test-01
5. Geography of India -Test-02
6. Geography of India -Test-03
7. Geography of India -Test-04
8. Geography of India -Test-05
9. History of India - Test - 01
10. History of India - Test - 02
11. History of India - Test - 03
12. History of India - Test - 04
13. History of India - Test - 05
14. History of India - Test - 06
15. History of India - Test - 07
16. INM-Test-01
17. INM-Test-02
18. INM-Test-03
19. INM-Test-04
20. INM-Test-05
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  • Simple Science

    Uses of Refraction

    Refraction:
    If it were not for refraction, or the deviation of light in its passage from medium to medium, the wonders and beauties of the magic lantern and the camera would be unknown to us; sun, moon, and stars could not be made to yield up their distant secrets to us in photographs; the comfort and help of spectacles would be lacking, spectacles which have helped unfold to many the rare beauties of nature, such as a clear view of clouds and sunset, of humming bee and flying bird. Books with their wealth of entertainment and information would be sealed to a large part of mankind, if glasses did not assist weak eyes.

    By refraction the magnifying glass reveals objects hidden because of their minuteness, and enlarges for our careful contemplation objects otherwise barely visible. The watchmaker, unassisted by the magnifying glass, could not detect the tiny grains of dust or sand which clog the delicate wheels of our watches. The merchant, with his lens, examines the separate threads of woolen and silk fabrics to determine the strength and value of the material. The physician, with his invaluable microscope, counts the number of infinitesimal corpuscles in the blood and bases his prescription on that count; he examines the sputum of a patient to determine whether tuberculosis wastes the system. The bacteriologist with the same instrument scrutinizes the drinking water and learns whether the dangerous typhoid germs are present. The future of medicine will depend somewhat upon the additional secrets which man is able to force from nature through the use of powerful lenses, because as lenses have, in the past, been the means of revealing disease germs, so in the future more powerful lenses may serve to bring to light germs yet unknown. How refraction accomplishes these results will be explained in the following Sections.


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