NEET 2016 Phase 2 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 weights 10 g and 0.05 mole 2. How many electrons can fit in the orbital for which n = 3 and $$l$$ = 1? 3. Which of the following pairs of d-orbitals will have electron density along the axes ? 4. Which one of the following compounds shows the presence of intramolecular hydrogen bond? 5. Which of the following pairs of ions is isoelectronic and isostructural ? 6. The hybridizations of atomic orbitals of nitrogen in NO$$_2^ + $$, NO$$_3^ - $$  and  NH$$_4^ + $$&n 7. The correct geometry and hybridization for XeF4 are 8. Among the following, which one is a wrong statement ? 9. For a sample of perfect gas when its pressure is changed isothermally from pi to pf, the entropy change is given by 10. The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) ina 0.10 M aqueous pyridine solution (Kb for C5H 11. Which of the following fluro-compounds is most likely to behave as a Lewis base ? 12. The solubility of AgCl(s) with solubility product 1.6 $$ \times $$ 10$$-$$10 in 0.1 M NaCl solution would be 13. Which among the given molecules can exhibit tautomerism? 14. Which of the following can be used as the halide component for Friedel-Crafts reaction? 15. In which of the following molecules, all atoms are coplanar? 16. In pyrrole the electron density is maximum on 17. In the given reaction, the product P is 18. Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only e 19. The compound that will react most readily with gaseous bromine has the formula 20. Consider the reaction, CH3CH2CH2Br + NaCN $$ \to $$ CH3CH2CH2CN + NaBr This reaction will be the fastest in 21. Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show ox 22. The suspension of slaked lime in water is known as 23. In context with beryllium, which one of the following statements is incorrect? 24. The correct structure of the product 'A' formed in the reaction 25. The correct order of strengths of the carboxylic acids is 26. Which one of the following nitro-compounds does not react with nitrous acid? 27. A given nitrogen-containing aromatic compound 'A' reacts with Sn/HCl, followed by HNO2 to give instable compound 'B'. 'B 28. The central dogma of molecular genetics states that the genetic information flows from 29. The correct corresponding order of names of four aldoses with configuration given below respectively, is 30. Which one of the following structures represents nylon 6, 6 polymer? 31. In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (F$ 32. The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is 33. Which one of the following is incorrect for ideal solution? 34. The molar conductivity of a 0.5 mol/dm3 solution of AgNO3 with electrolytic conductivity of 5.76 $$ \times $$ 10$$-$$3 S 35. If the Eocell for a given reaction has a negative value, which of the following gives the correct relationships for the 36. During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current 37. Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because 38. The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge o 39. The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the 40. The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below : I 41. Boric acid is an acid because its molecule 42. AlF3 is soluble in HF only in presence of KF. It is due to the formation of 43. Which one of the following statements related to lanthanoids is incorrect? 44. Jahn-Teller effect is not observed in high spin complexes of 45. The correct increasing order of trans-effect of the following species is

Physics

1. Planck's constant (h), speed of light in vacuum (c) and Newton's gravitional constant (G) are three fundamental constant 2. Two cars P and Q start from a point at the same time in a straight line and their positions are represented by xP(t) = 3. In the given figure, a = 15 m s$$-$$2 represents the total acceleration of particle moving in the clockwise direction in 4. A rigid ball of mass m strikes a rigid wall at 60o and gets reflected without loss of speed as shown in the figure. The 5. A bullet of mass 10 g moving horizontally with a velocity of 400 m s$$-$$1 strikes a wood block of mass 2 kg which is su 6. Two identical balls A and B having velocities of 0.5 m s$$-$$1 and $$-$$0.3 m s$$-$$1 respectively collide elastically 7. A particle moves from a point $$\left( { - 2\widehat i + 5\widehat j} \right)$$ to $$\left( {4\widehat j + 3\widehat k} 8. Two rotating bodies A and B of masses m and 2m with moments of inertia $${I_A}$$ and $${I_B}$$ ($${I_B}$$ > $${I_A} 9. A solid sphere of mass m and radius R is rotating about its diameter. A solid cylinder of same mass and same radius is a 10. A light rod of length $$l$$ has two masses m1 and m2 attached to its two ends. The moment of inertia of the system about 11. A satellite of mass m is orbiting the earth (of radius R) at a height h from its surface. The total energy of the satell 12. Starting from the centre of the earth having radius R, the variation of g (acceleration due to gravity) is shown by 13. Three liquids of densities $$\rho $$1, $$\rho $$2  and $$\rho $$3 (with $$\rho $$1 > $$\rho $$2 > $$\rho 14. Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is at 1 15. A body cools from a temperature 3T to 2T in 10 minutes. The room temperature is T. Assume that Newton's law of cooling i 16. A rectangular film of liquid is extended from (4 cm $$ \times $$ 2 cm) to (5 cm $$ \times $$ 4 cm). If the work done is 17. One mole of an ideal monatomic gas undergoes a process described by the equation PV3 = constant. The heat capacity of th 18. The temperature inside a refrigerator is t2 oC. The amount of heat delivered to the room for each joule of electrical en 19. A given sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule 20. A body of mass m is attached to the lower end of a spring whose upper end is fixed. The spring has negligible mass. When 21. The second overtone of an open organ pipe has the same frquency as the first overtone of a closed pipe L metre long. The 22. Three sound waves of equal amplitudes have frequencies (n $$-$$ 1), n, (n + 1). They superimpose to give beats. The num 23. An electric dipole is placed at an angle of 30o with an electric field intensity 2 $$ \times $$ 105 N C$$-$$1. It experi 24. A parallel-plate capacitor of area a, plate separation d and capacitance C is filled with four dielectric materials havi 25. The potential difference (VA $$-$$ VB) between the points A and B in the given figure is 26. A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it work 27. A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the 28. An electron is moving in a circular path under the influence of a transverse magnetic field of 3.57 $$ \times $$ 10-2 T. 29. A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The ene 30. Which of the following combinations should be selected for better tuning of an L-C-R circuit used for combination ? 31. A uniform magnetic field is restricted within a region of rafius r. The magnetic field changes with time at a rate $${{d 32. The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an 33. A 100 $$\Omega $$ resistance and a capacitor of 100 $$\Omega $$ reactance are connected in series across a 220 V source. 34. Two identical glass ($$\mu $$g = 3/2) equiconvex lenses of focal length $$f$$ each are kept in contact. The space betwee 35. A person can see clearly objects only when they lie between 50 cm and 400 cm from his eyes . In order to increase the ma 36. An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surfac 37. The interference pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, 38. A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60 cm. The aparture is 39. Electrons of mass m with de-Broglie wavelength $$\lambda $$ fall on the target in an X-ray tube. The cutoff wavelength ( 40. Photons with energy 5 eV are incifent on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectro 41. The half-life of a radioactive substance is 30 minutes. The time (in minutes) taken between 40% decay and 85% decay of t 42. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon of wavelength $$\lambda $ 43. For CE transistor amplifier, the aufio signal voltage across the collector resistance of 2 k$$\Omega $$ is 4 V. If the c 44. The given circuit has two ideal diodes connected as shown in the figure. The current flowing through the resistance R1 w 45. What is the output Y in the following circuit, when all the three inputs A, B, C are first 0 and then 1 ?

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

The interference pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, the ratio $${{{I_{max}} - {I_{\min }}} \over {{I_{max}} + {I_{min}}}}$$ will be

$${{\sqrt n } \over {n + 1}}$$

$${{2\sqrt n } \over {n + 1}}$$

$${{\sqrt n } \over {{{\left( {n + 1} \right)}^2}}}$$

$${{2\sqrt n } \over {{{\left( {n + 1} \right)}^2}}}$$

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60 cm. The aparture is illuminated normally by a parallel beam of wavelength 5 $$ \times $$ 10^$$-$$5 cm. The distance of the first dark band of the diffraction pattern from the centre of the screen is

0.10 cm

0.25 cm

0.20 cm

0.15 cm

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Electrons of mass m with de-Broglie wavelength $$\lambda $$ fall on the target in an X-ray tube. The cutoff wavelength ($$\lambda $$₀) of the emitted X-ray is

$$\lambda $$₀ = $${{2mc{\lambda ^2}} \over h}$$

$${\lambda _0} = {{2h} \over {mc}}$$

$${\lambda _0} = {{2{m^2}{c^2}{\lambda ^3}} \over {{h^2}}}$$

$${\lambda _0} = \lambda $$

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