Jump to a section

KVPY 2011 SB/SX

Browse the complete Chemistry, Mathematics, and Physics question set from the KVPY 2011 SB/SX 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. 1Assuming ideal behaviour, the enthalpy and volume of mixing of two liquids, respectively, are2011 (SB/SX)
  2. 2In the reaction sequence, the major products and , respectively, are-2011 (SB/SX)
  3. 3Emulsification of of oil in water produces droplets. If the surface tension at the oil-water interface is and the area of each droplet is , 2011 (SB/SX)
  4. 4In a zero-order reaction, if the initial concentration of the reactant is doubled, the time required for half the reactant to be consumed2011 (SB/SX)
  5. 5The spin-only magnetic moments of and in Bohr Magnetons, respectively, are2011 (SB/SX)
  6. 6The value of the limiting molar conductivity for and are 126.4, and , respectively. For HOAc, in is2011 (SB/SX)
  7. 7For the transformation the reagent used is2011 (SB/SX)
  8. 8For a process to occur spontaneously2011 (SB/SX)
  9. 9The reaction is known as2011 (SB/SX)
  10. 10The rate of gas phase chemical reactions generally increases rapidly with rise in temperature. This is mainly because2011 (SB/SX)
  11. 11At , the ratio of osmotic pressures of two solutions of a substance with concentrations of and , respectively, is2011 (SB/SX)
  12. 12When the size of a spherical nanoparticle decreases from to , the ratio surface area/volume becomes2011 (SB/SX)
  13. 13At the vapour pressure of two pure liquids, and are 100 and , respectively. If in a mixture of and , the vapour pressure is , the mole fract2011 (SB/SX)
  14. 14The standard Gibbs free energy change in ), in a Daniel cell ), when 2 moles of is oxidized at , is closest to2011 (SB/SX)
  15. 15The crystal field stabilization energies (CFSE) of high spin and low spin metal complexes in terms of , respectively, are-2011 (SB/SX)
  16. 16In the following conversion, the major products and , respectively, are-2011 (SB/SX)
  17. 17Among i-iv the compound that does not undergo polymerization under radical initiation, is2011 (SB/SX)
  18. 18To obtain a diffraction peak, for a crystalline solid with interplane distance equal to the wavelength of incident -ray radiation, the angle2011 (SB/SX)
  19. 19The hybridizations of and , respectively, are2011 (SB/SX)
  20. 20Extraction of silver is achieved by initial complexation of the ore (Argentite) with followed by reduction with Y. and respectively are2011 (SB/SX)
  21. 21If and , then is-2011 (SB/SX)
  22. 22Optically active (S)- -methoxyacetaldehyde on reaction with MeMgX gave a mixture of alcohols. The major diastereomer ' on treatment with gav2011 (SB/SX)
  23. 23oxidizes (i) oxalate ion in acidic medium at and and (ii) HCl. For balanced chemical equations, the ratios in (i) and in (ii), respectively,2011 (SB/SX)
  24. 24Among i-iii the boiling point follows the order2011 (SB/SX)
  25. 25The adsorption isotherm for a gas is given by the relation where is moles of gas adsorbed per gram of the adsorbent, is the pressure of the 2011 (SB/SX)
  26. 26The electron in hydrogen atom is in the first Bohr orbit ). The ratio of transition energies, ) to ), is-2011 (SB/SX)
  27. 27The major product of the following reaction is :2011 (SB/SX)
  28. 28hydrolyses to give an oxide. The structure of and the oxide, respectively, are-2011 (SB/SX)
  29. 29Two possible stereoisomers for are2011 (SB/SX)
  30. 30All the products formed in the oxidation of by , are2011 (SB/SX)

Mathematics

  1. 1Let be an matrix such that . Then equals -2011 (SB/SX)
  2. 2Which of the following intervals is a possible domain of the function , where is the greatest integer not exceeding and ?2011 (SB/SX)
  3. 3If , where is a real variable and is a positive integer, then the value of is2011 (SB/SX)
  4. 4Let , where are real numbers. If has a local minimum at and a local maximum at and , then equals-2011 (SB/SX)
  5. 5Let be three vectors in the xyz space such that If are points with position vectors respectively, then the number of possible positions of t2011 (SB/SX)
  6. 6For each positive integer , define minimum , for . Let . Then is equal to-2011 (SB/SX)
  7. 7In the -plane, three distinct lines concur at a point . Further the lines are normals to the parabola at the points respectively. Then we ha2011 (SB/SX)
  8. 8The sum of is -2011 (SB/SX)
  9. 9In triangle , we are given that and . Then the measure of the angle is -2011 (SB/SX)
  10. 10Suppose is a natural number such that , where is the square root of . Then is -2011 (SB/SX)
  11. 11The smallest possible positive slope of a line whose y-intercept is 5 and which has a common point with the ellipse is-2011 (SB/SX)
  12. 12Let denote the largest integer not exceeding and . Then is equal to -2011 (SB/SX)
  13. 13Let be a nonempty set and let denote the collection of all subsets of . Define Then equals -2011 (SB/SX)
  14. 14Let , and Then2011 (SB/SX)
  15. 15The arithmetic mean and the geometric mean of two distinct 2 -digit numbers and are two integers one of which can be obtained by reversing t2011 (SB/SX)
  16. 16Let be two points in the plane. The locus of a point such that the area of triangle is 18 sq. units is -2011 (SB/SX)
  17. 17The value of is -2011 (SB/SX)
  18. 18The maximum possible value of real, subject to the condition2011 (SB/SX)
  19. 19Let be defined by the largest prime factor of . Then is equal to -2011 (SB/SX)
  20. 20The minimum distance between a point on the curve and a point on the curve is -2011 (SB/SX)
  21. 21Consider the cubic equation , where are real numbers. Which of the following statements is correct?2011 (SB/SX)
  22. 22Suppose . The smallest possible integer value of for all is -2011 (SB/SX)
  23. 23The locus of the point where are real numbers such that the roots of are in arithmetic progression is-2011 (SB/SX)
  24. 24Let and be any two matrices such that the following conditions hold : and there exist positive integers and such that (the identity matrix) 2011 (SB/SX)
  25. 25Let . Which of the following is true?2011 (SB/SX)
  26. 26The minimum value of for which2011 (SB/SX)
  27. 27In a rectangle , the coordinates of and are and respectively and some diameter of the circumscribing circle of has equation . Then the area 2011 (SB/SX)
  28. 28Let and Then2011 (SB/SX)
  29. 29All the points in the plane satisfying the equation lie on -2011 (SB/SX)
  30. 30Two players play the following game : writes on three different cards ; writes on three different cards. Both draw randomly two cards from t2011 (SB/SX)

Physics

  1. 1Due to transitions among its first three energy levels, hydrogenic atom emits radiation at three discrete wavelengths , and . Then -2011 (SB/SX)
  2. 2Four students measure the height of a tower. Each student uses a different method and each measures the height many different times. The dat2011 (SB/SX)
  3. 3The surface of a planet is found to be uniformly charged. When a particle of mass and no charge is thrown at an angle from the surface of th2011 (SB/SX)
  4. 4A material is embedded between two glass plates. Refractive index of the material varies with thickness as shown below. The maximum incident2011 (SB/SX)
  5. 5A rectangular loop of wire shown below is coplanar with a long wire carrying current . The loop is pulled to the right as indicated. What ar2011 (SB/SX)
  6. 6At , a pipe open at both ends resonates at a frequency of 450 hertz. At what frequency does the same pipe resonate on a hot day when the spe2011 (SB/SX)
  7. 7The Quantum Hall Resistance is a fundamental constant with dimensions of resistance. If is Planck's constant and e the electron charge, then2011 (SB/SX)
  8. 8A constant amount of an ideal gas undergoes the cyclic process ABCA in the PV diagram shown below The path is an isothermal. The work done b2011 (SB/SX)
  9. 9Given below are three schematic graphs of potential energy versus distance for three atomic particles: electron , proton and neutron , in th2011 (SB/SX)
  10. 10Two rods, one made of copper and the other steel of the same length and cross sectional area are joined together. (The thermal conductivity 2011 (SB/SX)
  11. 11One mole of an ideal gas at initial temperature , undergoes a quasi-static process during which the volume is doubled. During the process th2011 (SB/SX)
  12. 12Jet aircrafts fly at altitudes above where the air is very cold at and the pressure is . The cabin is maintained at 1 atm pressure by means 2011 (SB/SX)
  13. 13A particle moves in a plane along an elliptic path given by At point , the -component of velocity is . The y-component of acceleration at th2011 (SB/SX)
  14. 14Two plates each of the mass are connected by a massless spring as shown. A weight is put on the upper plate which compresses the spring furt2011 (SB/SX)
  15. 15A plane polarized light passed through successive polarizers which are rotated by with respect to each other in the clockwise direction. Neg2011 (SB/SX)
  16. 16If the speed of the bob in a simple pendulum is plotted against the tangential acceleration , the correct graph will be represented by -2011 (SB/SX)
  17. 17Two batteries and are connected to three resistors as shown below. If and , the current . If and , the current . Now, if and , the current I2011 (SB/SX)
  18. 18A container with rigid walls is covered with perfectly insulating material. The container is divided into two parts by a partition. One part2011 (SB/SX)
  19. 19In the circuit shown below the resistance are given in ohms and the battery is assumed ideal with emf equal to volts. The resistor that diss2011 (SB/SX)
  20. 20A speaker emits a sound wave of frequency . When it moves towards a stationary observer with speed , the observer measures a frequency . If 2011 (SB/SX)
  21. 21The total radiative power emitted by spherical blackbody with radius and temperature is . If the radius if doubled and the temperature is ha2011 (SB/SX)
  22. 22For a domestic AC supply of at 50 cycles per second, the potential difference between the terminals of a two pin electric outlet in a room i2011 (SB/SX)
  23. 23In a Young's double slit set-up, light from a laser source falls on a pair of very narrow slits separated by micrometer and bright fringes s2011 (SB/SX)
  24. 24In the circuit shown, the switch is closed at time . Which of the graphs shown below best represents the voltage across the inductor, as see2011 (SB/SX)
  25. 25An isolated sphere of radius contains uniform volume distribution of positive charge. Which of the curves shown below correctly illustrates 2011 (SB/SX)
  26. 26Figure below shows a small mass connected to a string, which is attached to a vertical post. If the ball is released when the string is hori2011 (SB/SX)
  27. 27At a distance from a uniformly charged long wire, a charged particle is thrown radially outward with a velocity in the direction perpendicul2011 (SB/SX)
  28. 28A narrow but tall cabin is falling freely near the earth's surface. Inside the cabin, two small stones and are released from rest (relative 2011 (SB/SX)
  29. 29Two bulbs of identical volumes connected by a small capillary are initially filled with an ideal gas at temperature T. Bulb 2 is heated to m2011 (SB/SX)
  30. 30An electron collides with a free molecules initially in its ground state. The collision leaves the molecules in an excited state that is met2011 (SB/SX)

Frequently Asked Questions

1.How many questions are in the KVPY 2011 SB/SX paper?

This paper has 90 questions in total - 30 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 SA paper for the same year?

The KVPY 2011 SA paper is listed separately - you can switch to it from the "KVPY Paper Wise PYQs" panel, under KVPY 2011.

4.What is the structure of the KVPY 2011 SB/SX paper?

The KVPY 2011 SB/SX paper on MARKS has 90 questions, organised by subject:

  • Chemistry: 30 questions - 30 single-correct.
  • Mathematics: 30 questions - 30 single-correct.
  • Physics: 30 questions - 30 single-correct.
5.Which chapters had the most questions in the KVPY 2011 SB/SX paper?

The chapters with the most questions in each subject were:

  • Chemistry: Alcohols Phenols and Ethers (3), Chemical Kinetics (3), and Coordination Compounds (3).
  • Mathematics: Functions (4), Straight Lines (4), and Definite Integration (3).
  • Physics: Electrostatics (3), Kinetic Theory of Gases (3), and Alternating Current (2).
6.Where can I find the solutions for the KVPY 2011 SB/SX 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 2011 SB/SX paper to check my preparation?

Set a timer, attempt the 90 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.