NEET (UG) Medical • NTA Simulation

NEET Full Mock Test – 2

🎯 180 Questions • ⚖️ +4 / -1 Marking • ⏱️ 180 Mins

⏱️ 03:00:00

Q1. A particle moves in a straight line with displacement given by s = t^3 - 6t^2 + 9t (in metres). The time at which the particle changes its direction of motion is

Q2. Two blocks of masses 2 kg and 4 kg are placed on a smooth horizontal surface and connected by a light string. A constant force of 18 N is applied on the heavier block. The tension in the string is

Q3. A satellite of mass m is revolving around the earth in a circular orbit of radius R with orbital speed v. If its kinetic energy is K, then its gravitational potential energy is

Q4. A body of mass 5 kg is lifted vertically through a height of 10 m in 5 seconds. If g = 9.8 m/s^2, the power developed by the agent is approximately

Q5. A solid sphere of radius R and mass M rolls without slipping down an inclined plane of angle θ. The ratio of its translational kinetic energy to rotational kinetic energy at the bottom is

Q6. Two wires made of the same material have lengths in the ratio 2 : 1 and radii in the ratio 1 : 2. If equal forces are applied on both, the ratio of their extensions will be

Q7. The rms speed of nitrogen molecules at temperature T is v. If temperature is increased to 4T, the new rms speed will be

Q8. An ideal gas is taken through a cyclic process. The net work done in a cycle is found to be equal to the area enclosed by the curve in the PV diagram because

Q9. A convex lens of focal length 20 cm forms a real image twice the size of the object. The distance of the object from the lens is

Q10. A ray of light enters from air into a medium of refractive index u at an angle of incidence i and emerges back into air after refraction inside the medium. The lateral shift will be maximum when

Q11. In Young’s double-slit experiment, the separation between the slits is halved and the distance between the slits and screen is doubled. The fringe width will become

Q12. An AC source of emf E = E0 sinωt is applied across a purely capacitive circuit. The current in the circuit

Q13. Two resistors of 2 ohm and 6 ohm are connected in parallel and this combination is connected in series with a 4 ohm resistor. The ratio of heat produced in the 2 ohm and 6 ohm resistors is

Q14. The magnetic field at the centre of a circular coil carrying current I and having radius R is B. If both current and radius are doubled, the new magnetic field at the centre becomes

Q15. The work function of a metal is 3 eV. If light of wavelength 400 nm falls on its surface, the maximum kinetic energy of emitted electrons is approximately (hc = 1240 eV*nm)

Q16. The de Broglie wavelength of an electron accelerated through a potential difference V is λ. If accelerating potential becomes 4V, its new wavelength will be

Q17. In Bohr’s model of hydrogen atom, the ratio of speeds of electron in first and third orbits (v1 : v3) is

Q18. The half-life of a radioactive substance is 5 years. The time taken for its activity to become one-sixteenth of initial value is

Q19. In a PN junction diode under forward bias, the width of depletion region

Q20. A logic circuit gives output 1 only when both inputs are different. The logic gate is

Q21. A car of mass 1000 kg moves along a horizontal road with uniform speed. The engine supplies power at the rate of 20 kW to balance dissipative forces. If the speed of the car is doubled, the power required becomes

Q22. A block slides down a rough inclined plane of angle θ with a constant velocity. If the coefficient of friction between the block and plane is u, the relation between u and θ is

Q23. Two particles of masses m and 2m moving with speeds 2v and v respectively in opposite directions collide elastically head-on. After collision, the speed of mass m is

Q24. A uniform rod of length L is pivoted at a point located at L/3 from one end. If g is the acceleration due to gravity, the time period of small oscillations is proportional to

Q25. A solid cylinder and a hollow cylinder roll down the same inclined plane without slipping. If both have the same mass and radius, then the body reaching the bottom first is

Q26. For a Carnot engine operating between temperatures T1 and T2 (T1 > T2), its efficiency becomes 50%. If the cold reservoir temperature is halved while hot reservoir remains same, the new efficiency becomes

Q27. A thermodynamic system undergoes a cyclic process in which it absorbs 500 J of heat and rejects 300 J of heat. The net work done by the system is

Q28. A wire of length L and area A is stretched by a force F producing an extension x. If another wire of the same material but double the length and half the radius is subjected to the same force, its extension will be

Q29. Water rises to a height h in a capillary tube of radius r. If the radius of the tube is halved, the height of water column becomes

Q30. A sound source emits waves of frequency 500 Hz. An observer moves towards the source with a speed of 20 m s^-1 while the speed of sound is 340 m s^-1. The apparent frequency heard by the observer is approximately

Q31. A convex mirror forms an image of height 2 cm of an object 4 cm tall. The magnification produced by the mirror is

Q32. The focal length of a plano-convex lens is f when the curved surface faces the object. If the lens is reversed, its focal length becomes

Q33. In a diffraction pattern due to a single slit, the width of the central maximum is found to be doubled when the slit width is changed from a to a'. The ratio a' : a is

Q34. A coil of resistance 20 ohm and self-inductance 5 H is connected to a battery of 10 V. The time constant of the circuit is

Q35. Two capacitors of capacitance 2 uF and 8 uF are connected in series across a potential difference of 90 V. The potential difference across the 2 uF capacitor is

Q36. A long straight wire carries a current I. A square loop of side a is placed at a distance a from the wire in the same plane. The net magnetic force on the loop is

Q37. The nuclear binding energy per nucleon is maximum for iron nuclei. This implies that

Q38. The stopping potential in a photoelectric experiment is found to increase linearly with frequency of incident light. This shows that

Q39. The ratio of the de Broglie wavelengths of an electron and a proton having the same kinetic energy is

Q40. In a semiconductor, the Fermi level lies close to the conduction band at room temperature. The material behaves as

Q41. In a Zener diode voltage regulator circuit, if the load resistance decreases, the Zener current

Q42. A logic circuit gives output zero only when both inputs are one. The gate is

Q43. The angular resolution of a telescope improves when

Q44. A beam of electrons is accelerated through a potential difference V and then enters a uniform magnetic field perpendicular to its velocity. If the accelerating potential is doubled, the radius of circular path becomes

Q45. The threshold wavelength for a metal surface is λ0. When light of wavelength λ = λ0/3 is incident, the maximum kinetic energy of emitted photoelectrons is