NEET 2016 Phase 1 | NEET Year Wise Previous Years Questions

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1. In a diffraction pattern due to a single slit of width $$a$$, the first minimum is observed at an angle 30o when light 2. Two identical charged spheres suspended from a common point by two massless strings of lengths $$l$$, are initially a 3. A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected 4. The charge flowing through a resistance R varies with time t is Q = at $$-$$ bt2, where $$a$$ and $$b$$ are positive con 5. A long straight wire of radius $$a$$ carries a steady current $$I$$. The current is uniformly distributed over its cross 6. A square loop ABCD carrying a current $$i$$, is placed near and coplanar with a long straight conductor XY carrying a cu 7. The magnetic susceptibility is negative for 8. A small signal voltage V(t) = V0 sin$$\omega $$t is applied across an ideal capacitor C 9. A long solenoid has 1000 turns. When a current of 4 A flows through it, the magnetic flux linked with each turn of the s 10. An inductor 20 mH, a capacitor 50 $$\mu F$$ and a resistor 40 $$\Omega $$ are connected in series across a source of emf 11. Out of the following options which one can be used to produce a propagating electromagnetic wave ? 12. Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror] .tg { 13. A capacitor of 2 $$\mu $$F is charged as shown in the diagram. When the switch S is turned to position 2, the percentag 14. The intensity at the maximum in a Young's double slit experiment is $$I$$0. Distance between two slits is d = 5$$\lambda 15. The angle of incidence for a ray of light at a refracting surface of a prism is 45o. The angle of prism is 60o. If the 16. A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 17. When a metallic surface is illuminated with radiation of wavelength $$\lambda $$, the stopping potential is V. If the sa 18. An electron of mass m and a photon have same energy E. The ratio of de-Broglie wavelengths associated with them is 19. Given the value of Rydberg constant is 107 m$$-$$1, the wave number of the last line of the Balmer series in hydrogen sp 20. When an $$\alpha $$-particle of mass m moving with velocity v bombards on a heavy nucleus of charge Ze, its distance of 21. To get output 1 for the following circuit, the correct choice for the input is 22. Consider the junction diode as ideal. The value of current flowing through AB is 23. At what height from the surface of earth the gravitation potential and the value of g are $$-$$5.4 $$ \times $$ 107 J kg 24. If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between the 25. A particle moves so that its position vector is given by $$\overrightarrow r = \cos \omega t\,\widehat x + \sin \,\omeg 26. A car is negotiating a curved road of radius R. The road is banked at an angle $$\theta $$. The coefficient of friction 27. A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magni 28. A body of mass 1 kg begins to move under the action of a time dependent force $$\overrightarrow F = \left( {2t\widehat 29. What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete 30. A disc and a sphere of same radius but different masses roll off on two inclined planes of the same altitude and length. 31. From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is t 32. A uniform circular disc of radius 50 cm at rest is free to turn about an axis which is perpendicular to its plane and pa 33. The ratio of escape velocity at earth (ve) to the escape velocity at a planet (vp) whose radius and mean density are tw 34. A piece of ice falls from a height h so that it melts completely. Only one-quarter of the heat produced is absorbed by t 35. Coefficient of linear expansion of brass and steel rods are $$\alpha $$1 and $$\alpha $$2. Lengths of brass and steel ro 36. Two non-mixing liquids of densities $$\rho $$ and n$$\rho $$ (n > 1) are put in a container. The height of each liqui 37. A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is U1, at w 38. A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic 39. The molecules of a given mass of a gas have r.m.s. velocity of 2000 m s$$-$$1 at 27oC and 1.0 $$ \times $$ 105 N m$$-$$2 40. A refrigerator works between 4oC and 30oC. It is required to remove 600 calories of heat every second in order to keep t 41. An air column, closed at one end open at the other, resonates with a tuning fork when the smallest length of the column 42. A uniform rope of length L and mass m1 hangs vertically from a rigid support. A block of mass m2 is attached to the free 43. If the velocity of a particle is v = At + Bt2, where A and B are constants, then the distance travelled by it between 1

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

The reaction

NEET 2016 Phase 1 Chemistry - Alcohol, Phenols and Ethers Question 19 English

can be classified as

dehydration reaction

Williamson alcohol synthesis reaction

Williamson ether synthesis reaction

alcohol formation reaction.

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

Which of the following reagents would distinguish cis-cyclopenta-1-2-diol from the trans-isomer?

MnO₂

Aluminimum isopropoxide

Acetone

Ozone

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is

a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation

a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism

a carbonyl compound with a hydrogen atom on its alpha-carbon never equilibrates with its corresponding enol

a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

The correct statement regarding the basicity of arylamines is

arylamines are generally more basic than alkalmines because of aryl group

arylamines are generally more basic than alkylmines, because the nitrogen atom in arylamines is sp-hybridised

arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalised by interaction with the aromatic ring $$\pi $$-electron system

arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are not delocalised by interaction with the aromatic ring $$\pi $$-electron system.

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