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KVPY 2012 SA

Browse the complete Chemistry, Mathematics, and Physics question set from the KVPY 2012 SA paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire paper as a PDF.

Chemistry

  1. 1Acetylsalicylic acid is a pain killer and is commonly known as -2012 (SA)
  2. 2By dissolving mole of sodium chloride in water, of salt solution is obtained. The molarity of the resulting solution should be reported as -2012 (SA)
  3. 3The molecule which does not exhibits strong hydrogen bonding is -2012 (SA)
  4. 4Among the quantities, density , temperature (T), enthalpy (H), heat capacity , volume (V) and pressure (P), a set of intensive variables are2012 (SA)
  5. 5The number of electrons plus neutrons in is -2012 (SA)
  6. 6Among the following, the most basic oxide is -2012 (SA)
  7. 7A reaction with reaction quotient and equilibrium constant , will proceed in the direction of the products when -2012 (SA)
  8. 8The major product in the following reaction at is -2012 (SA)
  9. 9A plot of the kinetic energy of ejected electrons as a function of the frequency of incident radiation for four alkali metals is shown below2012 (SA)
  10. 10The weight of calcium oxide formed by burning of calcium in excess oxygen is2012 (SA)
  11. 11Upon fully dissolving of a metal in sulfuric acid, of the metal sulfale is formed. The equivalent weight of the metal is2012 (SA)
  12. 12The products and in the following reaction sequence are -2012 (SA)
  13. 13The following two compounds are -2012 (SA)
  14. 14Upon mixing equal volumes of aqueous solutions of and , the concentration of in the resulting solution is2012 (SA)
  15. 15The major product in the following reaction is - (excess)2012 (SA)
  16. 16The number of moles of produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is2012 (SA)
  17. 17The value of in is2012 (SA)
  18. 18The major products in the reaction are -2012 (SA)
  19. 19Among the following substituted pyridines, the most basic compound is -2012 (SA)
  20. 20The graph that does not represent the behaviour of an ideal gas is -2012 (SA)

Mathematics

  1. 1In the adjacent figures, which has the shortest path -2012 (SA)
  2. 2A regular octagon is formed by cutting congruent isosceles right- angled triangles from the corners of a square. If the square has side- len2012 (SA)
  3. 3In the figure AHKF, FKDE and HBCK are unit squares ; AD and BF intersect in . Then the ratio of the areas of triangles AXF and ABF is -2012 (SA)
  4. 4If are positive real numbers such that , then is -2012 (SA)
  5. 5A circle is drawn in a sector of a larger circle of radius , as shown in the adjacent figure. The smaller circle is tangent to the two bound2012 (SA)
  6. 6A train leaves Pune at and reaches Mumbai at . Another train leaves Mumbai at and reaches Pune at . Assuming that the two trains travels at 2012 (SA)
  7. 7The sides of a triangle are distinct positive integers in an arithmetic progression. If the smallest side is 10 , the number of such triangl2012 (SA)
  8. 8Two workers A and B are engaged to do a piece of work. Working alone, A takes 8 hours more to complete the work than if both worked together2012 (SA)
  9. 9The number of solutions to the system of equations Such that at least two of are integers is2012 (SA)
  10. 10In triangle , let and be the internal angle bisectors with D, E and on the sides and respectively. Suppose and concur at and are concyclic, 2012 (SA)
  11. 11The square root of is -2012 (SA)
  12. 12Let be positive integers such that is a rational number, then which of the following is always an integer?2012 (SA)
  13. 13Let be a quadratic polynomial with and . Then the coefficient of in is-2012 (SA)
  14. 14In a triangle , it is known that . Suppose is the mid- point of and . Then the area of the triangle is2012 (SA)
  15. 15How many ordered pairs of integers satisfy ?2012 (SA)
  16. 16Let and let be a subset of such that no two elements in have their sum divisible by 5 . What is the maximum number of elements possible in ?2012 (SA)
  17. 17When a bucket is half full, the weight of the bucket and the water is . When the bucket is two - thirds full, the total weight is . What is 2012 (SA)
  18. 18Observe that, at any instant, the minute and hour hands of a clock make two angles between them whose sum is . At the difference between the2012 (SA)
  19. 19For to exceed , the maximum value of is2012 (SA)
  20. 20Suppose is a point on the circle with centre and radius 1 , as shown in the figure ; is a point outside the circle such that and . Let be th2012 (SA)

Physics

  1. 1In the circuit shown, identical resistors are connected in parallel ) and the combination is connected in series to another resistor . In th2012 (SA)
  2. 2A convex lens of focal length is placed in front of a plane mirror at a distance from the mirror. Where on the optical axis and from the cen2012 (SA)
  3. 3A boat crossing a river moves with a velocity relative to still water. The river is flowing with a velocity with respect to the bank. The an2012 (SA)
  4. 4A solid cube and a solid sphere both made of same material are completely submerged in water but to different depths. The sphere and the cub2012 (SA)
  5. 5A ball falls vertically downward and bounces off a horizontal floor. The speed of the ball just before reaching the floor is equal to the sp2012 (SA)
  6. 6A block of mass is sliding down an inclined plane with constant speed. At a certain instant , its height above the ground is . The coefficie2012 (SA)
  7. 7Following figures show different combinations of identical bulb(s) connected to identical battery(ies). Which option is correct regarding th2012 (SA)
  8. 8In the figure below, PQRS denotes the path followed by a ray of light as it travels through three media in succession. The absolute refracti2012 (SA)
  9. 9A firecracker is thrown with velocity of in a direction which makes an angle of with the vertical axis. At some point on its trajectory, the2012 (SA)
  10. 10A girl brings a positively charged rod near a thin neutral stream of water from a tap. She observes that the water stream bends towards her.2012 (SA)
  11. 11In the Arcitc region hemispherical houses called Igloos are made of ice. It is possible to maintain a temperature inside an Igloo as high as2012 (SA)
  12. 12atom disintegrates to Po with a half life of years by emitting six alpha particles and electrons. Here is -2012 (SA)
  13. 13Which of the following statements is true about the flow of electrons in an electric circuit?2012 (SA)
  14. 14Which statements about the Rutherford model of the atom is NOT true ?2012 (SA)
  15. 15A ray of white light is incident on a spherical water drop whose center is as shown below. When observed from the opposite side, the emergen2012 (SA)
  16. 16A circular metallic ring of radius has a small gap of width . The coefficient of thermal expansion of the metal is in appropriate units. If 2012 (SA)
  17. 17A clay ball of mass and speed strikes another metal ball. of same mass , which is at rest. They stick together after collision. The kinetic 2012 (SA)
  18. 18of ice is mixed with of water at temperature . The latent heat of ice is and the specific heat of water is . Assuming no heat loss to the en2012 (SA)
  19. 19A circular loop of wire s in the same plane as an infinitely long wire carrying a constant current i. Four possible motions of the loop are 2012 (SA)
  20. 20A girl holds a book of mass against a vertical wall with a horizontal force using heer fingér so that the book does not move. The frictional2012 (SA)

Frequently Asked Questions

1.How many questions are in the KVPY 2012 SA paper?

This paper has 60 questions in total - 20 each from Chemistry, Mathematics, and Physics.

2.Can I practise questions from just one subject?

Yes. Use the Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this paper.

3.Where can I find the SB/SX paper for the same year?

The KVPY 2012 SB/SX paper is listed separately - you can switch to it from the "KVPY Paper Wise PYQs" panel, under KVPY 2012.

4.What is the structure of the KVPY 2012 SA paper?

The KVPY 2012 SA paper on MARKS has 60 questions, organised by subject:

  • Chemistry: 20 questions - 20 single-correct.
  • Mathematics: 20 questions - 20 single-correct.
  • Physics: 20 questions - 20 single-correct.
5.Which chapters had the most questions in the KVPY 2012 SA paper?

The chapters with the most questions in each subject were:

  • Chemistry: General Organic Chemistry (2) and Redox Reactions (2).
  • Mathematics: Basic of Mathematics (9), Circle (2), and Properties of Triangles (2).
  • Physics: Current Electricity (3), Motion In Two Dimensions (3), and Ray Optics (3).
6.Where can I find the solutions for the KVPY 2012 SA paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole paper is coming soon.

7.How should I use the KVPY 2012 SA paper to check my preparation?

Set a timer, attempt the 60 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for KVPY. Repeating this with other papers shows whether the same weak spots keep coming back.