[{"id":2450,"question":"Curie temperature is","choices":[{"text":"Differen for chromium oxide and cobalt","value":"A"},{"text":"Same for chromium oxide and cobalt","value":"B"},{"text":"Same for iron and cobalt","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":2448,"question":"Recentaly a complex crystalline structure known as yttrium barium copper oxide (Yba<sub>2 </sub>Cu<sub>3 </sub>O<sub>3</sub>) have reported to become super conductor at","choices":[{"text":"163 K","value":"A"},{"text":"169 K","value":"B"},{"text":"200 K","value":"C"},{"text":"100 K","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":2447,"question":"The material whose resistivity becomes zero below a certain temperature","choices":[{"text":"Conductors","value":"A"},{"text":"Semi conductors","value":"B"},{"text":"Super conductors","value":"C"},{"text":"Insulators","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2446,"question":"The conductors having the conductivity of the order of","choices":[{"text":"","img":"2446_5-a.jpg","value":"A"},{"text":"","img":"2446_5-b.jpg","value":"B"},{"text":"","img":"2446_5-c.jpg","value":"C"},{"text":"","img":"2446_5-d.jpg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":2439,"question":"The dimension of stress is","choices":[{"text":"[MLT<sup>-1</sup>]","value":"A"},{"text":"[ML<sup>-1</sup>T]","value":"B"},{"text":"[ML<sup>-1</sup>T<sup>-1</sup>]","value":"C"},{"text":"[ML<sup>-1</sup>T<sup>-2</sup>]","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":2438,"question":"Yield stress is another name of","choices":[{"text":"Plasticity","value":"A"},{"text":"Proportional limit","value":"B"},{"text":"Elastic limit","value":"C"},{"text":"Both (b) and (c)","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2436,"question":"An ordinary glass gradually softness into a paste like state before it becomes a very viscous liquid which is possible at","choices":[{"text":"900<sup>o</sup>C","value":"A"},{"text":"600<sup>o</sup>C","value":"B"},{"text":"800<sup>o</sup>C","value":"C"},{"text":"100<sup>o</sup>C","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2435,"question":"The solids are classified as","choices":[{"text":"Polymeric","value":"A"},{"text":"Amorphous","value":"B"},{"text":"Crystalline","value":"C"},{"text":"All of above","value":"D"},{"value":"E"}],"correctAnswer":4}]