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  2. Joint Entrance Examination – Main - Wikipedia

    en.wikipedia.org/wiki/Joint_Entrance_Examination...

    The number of attempts which a candidate can avail at the examination is limited to three in consecutive years. As of 2018, the top 2,24,000 rankers of JEE-Main will qualify to take the second and final level of examination: JEE-Advanced. this number of 2.24 lakh is not fixed this may vary as per difficulty level of paper of JEE-Main. [7]

  3. Joint Entrance Examination – Advanced - Wikipedia

    en.wikipedia.org/wiki/Joint_Entrance_Examination...

    In 1997, the IIT-JEE was conducted twice after the question paper was leaked in some locations. [ citation needed ] Between 2000 and 2005, an additional screening test was used alongside the main examination, intended to reduce pressure on the main examination by allowing only about 20,000 top candidates to appear for the examination, out of ...

  4. National Eligibility cum Entrance Test (Undergraduate)

    en.wikipedia.org/wiki/National_Eligibility_cum...

    A total of 67 students achieved a perfect score, a significantly higher number than in previous examinations, which raised controversy. The National Testing Agency (NTA), the examination organizer, clarified that the higher number of top scorers was due to 44 of the 67 students answering a physics question incorrectly but still being awarded ...

  5. Derivative test - Wikipedia

    en.wikipedia.org/wiki/Derivative_test

    The first-derivative test examines a function's monotonic properties (where the function is increasing or decreasing), focusing on a particular point in its domain.If the function "switches" from increasing to decreasing at the point, then the function will achieve a highest value at that point.

  6. Standard enthalpy of formation - Wikipedia

    en.wikipedia.org/wiki/Standard_enthalpy_of_formation

    For many substances, the formation reaction may be considered as the sum of a number of simpler reactions, either real or fictitious. The enthalpy of reaction can then be analyzed by applying Hess' law, which states that the sum of the enthalpy changes for a number of individual reaction steps equals the enthalpy change of the overall reaction.

  7. List of nuclides - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclides

    A further 10 nuclides, platinum-190, samarium-147, lanthanum-138, rubidium-87, rhenium-187, lutetium-176, thorium-232, uranium-238, potassium-40, and uranium-235 have half-lives between 7.0 × 10 8 and 4.83 × 10 11 years, which means they have experienced at least 0.5% depletion since the formation of the Solar System about 4.6 × 10 9 years ...

  8. Bivector - Wikipedia

    en.wikipedia.org/wiki/Bivector

    Parallel plane segments with the same orientation and area corresponding to the same bivector a ∧ b. [1]In mathematics, a bivector or 2-vector is a quantity in exterior algebra or geometric algebra that extends the idea of scalars and vectors.

  9. Shortest path problem - Wikipedia

    en.wikipedia.org/wiki/Shortest_path_problem

    Shortest path (A, C, E, D, F), blue, between vertices A and F in the weighted directed graph. In graph theory, the shortest path problem is the problem of finding a path between two vertices (or nodes) in a graph such that the sum of the weights of its constituent edges is minimized.