[email protected] Kanakadas girls highschool konnur Tq:Naragunda.Dist:Gadag Pls add dis mail.to science stf group On 16-May-2016 8:46 pm, "Naveen Kumar" <[email protected]> wrote:
> Nice sir > > Naveen Kumar. k.s ghs kolagunda.arasikere tq > On May 16, 2016 9:19 PM, "Gurumurthy K" <[email protected]> wrote: > >> The following concerns a question in a physics degree exam at the >> University of Copenhagen: >> The test question was: "Describe how to determine the height of a >> skyscraper with a barometer." >> One student replied: "You tie a long piece of string to the neck of the >> barometer, then lower the >> barometer from the roof of the skyscraper to the ground. The length of >> the string plus the length of the >> barometer will equal the height of the building." >> This highly original answer so incensed the examiner that the student was >> failed immediately. The >> student appealed on the grounds that his answer was indisputably correct, >> and the university appointed an >> independent arbiter to decide the case. >> The arbiter judged that the answer was indeed correct, but did not >> display any noticeable knowledge of >> physics. To resolve the problem it was decided to call the student in and >> allow him six minutes in which >> to provide a verbal answer that showed at least a minimal familiarity >> with the basic principles of physics. >> For five minutes the student sat in silence, forehead creased in thought. >> The arbiter reminded him that >> time was running out, to which the student replied that he had several >> extremely relevant answers, but >> couldn't make up his mind which to use. On being advised to that time was >> up the student scribbled down >> some notes and turned it over to the arbiter. >> This is what the paper said. "You could take the barometer up to the roof >> of the skyscraper, drop it over >> the edge, and measure the time it takes to reach the ground. The height >> of the building can then be >> worked out from the formula H = 0.5g x t squared. But this would be bad >> luck for the barometer." >> The arbiter looked at the professor, shrugged his shoulders and said – >> “this is not the answer that you >> were expecting but it is a correct answer and it does demonstrate >> knowledge of physics.” The arbiter >> ruled that the student should be given a passing grade. >> After the professor left the room, the arbiter looked at the student and >> said “You said you were thinking of >> several answers – what were they?” >> “Well, if the sun is shining you could measure the height of the >> barometer, then set it on end and measure >> the length of its shadow. Then you measure the length of the skyscraper's >> shadow, and thereafter it is a >> simple matter of proportional arithmetic to work out the height of the >> skyscraper." >> "But if you wanted to be highly scientific about it, you could tie a >> short piece of string to the barometer >> and swing it like a pendulum, first at ground level and then on the roof >> of the skyscraper. The height is >> worked out by the difference in the gravitational restoring force T =2 pi >> square root (l /g)." >> "Or if the skyscraper has an outside emergency staircase, it would be >> easier to walk up it and mark off the >> height of the skyscraper in barometer lengths, then add them up." "But >> since we are constantly being >> exhorted to exercise independence of mind and apply scientific methods, >> undoubtedly the best way would >> be to knock on the janitor's door and say to him 'If you would like a >> nice new barometer, I will give you >> this one if you tell me the height of this skyscraper'." >> After he had spouted off several of these the arbiter asked the student >> “You do know the answer the >> professor wanted don’t you.” The student replied “Of course I do, I just >> don’t like people telling me how >> to think.” >> The student was Niels Bohr, the only Dane to win the Nobel Prize for >> Physics. >> >> -- >> 1. If a teacher wants to join STF, visit >> http://karnatakaeducation.org.in/KOER/en/index.php/Become_a_STF_groups_member >> 2. For STF training, visit KOER - >> http://karnatakaeducation.org.in/KOER/en/index.php >> 4. For Ubuntu 14.04 installation, visit >> http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha >> 4. For doubts on Ubuntu, public software, visit >> http://karnatakaeducation.org.in/KOER/en/index.php/Frequently_Asked_Questions >> 5. Are you using pirated software? Use Sarvajanika Tantramsha, see >> http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software >> ಸಾರ್ವಜನಿಕ ಇಲಾಖೆಗೆ ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ >> --- >> You received this message because you are subscribed to the Google Groups >> "Maths & Science STF" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/mathssciencestf. >> For more options, visit https://groups.google.com/d/optout. >> > -- > 1. If a teacher wants to join STF, visit > http://karnatakaeducation.org.in/KOER/en/index.php/Become_a_STF_groups_member > 2. For STF training, visit KOER - > http://karnatakaeducation.org.in/KOER/en/index.php > 4. For Ubuntu 14.04 installation, visit > http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha > 4. For doubts on Ubuntu, public software, visit > http://karnatakaeducation.org.in/KOER/en/index.php/Frequently_Asked_Questions > 5. Are you using pirated software? Use Sarvajanika Tantramsha, see > http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software > ಸಾರ್ವಜನಿಕ ಇಲಾಖೆಗೆ ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ > --- > You received this message because you are subscribed to the Google Groups > "Maths & Science STF" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/mathssciencestf. > For more options, visit https://groups.google.com/d/optout. > -- 1. If a teacher wants to join STF, visit http://karnatakaeducation.org.in/KOER/en/index.php/Become_a_STF_groups_member 2. For STF training, visit KOER - http://karnatakaeducation.org.in/KOER/en/index.php 4. For Ubuntu 14.04 installation, visit http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha 4. For doubts on Ubuntu, public software, visit http://karnatakaeducation.org.in/KOER/en/index.php/Frequently_Asked_Questions 5. Are you using pirated software? Use Sarvajanika Tantramsha, see http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software ಸಾರ್ವಜನಿಕ ಇಲಾಖೆಗೆ ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ --- You received this message because you are subscribed to the Google Groups "Maths & Science STF" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at https://groups.google.com/group/mathssciencestf. For more options, visit https://groups.google.com/d/optout.
