Page 1 CBSE AIPMT EXAMINATON- 2009 Full Paper Physics 1. In the nuclear decay given below: B, the particles emitted in the sequence are: 1) ?, ß, a 2) ß, ?, a 3) a, ß, ? 4) ß, a, ? 2. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity If two objects each of mass m be ?. attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity: 1) ? M / ( M + 2m) 2) ( ? ( M + 2m))/M 3) ? M / ( M + m) 4) ( ? ( M - 2m))/(M + 2m) 3. In thermodynamic processes which of the following statements is not true? 1) In an isochoric process pressure remains constant 2) In an isothermal process the temperature remains constant 3) In an adiabatic process PV ? = constant 4) In an adiabatic process the system is insulated from the surroundings 4. The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to: 1) Threshold frequency (v0) 2) Intensity of light 3) Frequency of light (v) 4) v - v0 5. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of pendulum at x = a/2 will be : 1) pa / T 2) ( 3 p2a)/T 1/37 Ans. 4 Ans. 1 Ans. 1 Ans. 2 que Page 2 CBSE AIPMT EXAMINATON- 2009 Full Paper Physics 1. In the nuclear decay given below: B, the particles emitted in the sequence are: 1) ?, ß, a 2) ß, ?, a 3) a, ß, ? 4) ß, a, ? 2. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity If two objects each of mass m be ?. attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity: 1) ? M / ( M + 2m) 2) ( ? ( M + 2m))/M 3) ? M / ( M + m) 4) ( ? ( M - 2m))/(M + 2m) 3. In thermodynamic processes which of the following statements is not true? 1) In an isochoric process pressure remains constant 2) In an isothermal process the temperature remains constant 3) In an adiabatic process PV ? = constant 4) In an adiabatic process the system is insulated from the surroundings 4. The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to: 1) Threshold frequency (v0) 2) Intensity of light 3) Frequency of light (v) 4) v - v0 5. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of pendulum at x = a/2 will be : 1) pa / T 2) ( 3 p2a)/T 1/37 Ans. 4 Ans. 1 Ans. 1 Ans. 2 que 3) ( pa v ( 3 ) ) / T 4) ( pa v ( 3 ) ) / 2 T 6. See the electric circuit shown in this Figure. Which of the following equations is a correct equation for it? 1) e 2 - i2 r2 - e 1 - i1 r1 = 0 2) - e 2 - (i1 + i2) R + i2 r2 = 0 3) e 1 - (i1 + i2) R + i1 r1 = 0 4) e 1 - (i1 + i2) R - i1 r1 = 0 7. A body, under the action of a force The mass of this body must be: 1) 10 kg 2) 20 kg 3) 1 0 v 2 kg 4) 2 v 1 0 kg 8. The symbolic representation of four logic gates are given below: = 6 î - 8 j + 10 , acquires an acceleration of 1 m/s2. The logic symbols for OR, NOT and NAND gates are respectively: 1) (iv), (i), (iii) 2) (iv), (ii), (i) 3) (i), (iii), (iv) 4) (iii), (iv), (ii) 9. If is the force acting on a particle having position vector force about the origin, then: 1) . and be the torque of this > 0 and . <0 2/37 Ans. 3 Ans. 4 Ans. 3 Ans. 2 Page 3 CBSE AIPMT EXAMINATON- 2009 Full Paper Physics 1. In the nuclear decay given below: B, the particles emitted in the sequence are: 1) ?, ß, a 2) ß, ?, a 3) a, ß, ? 4) ß, a, ? 2. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity If two objects each of mass m be ?. attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity: 1) ? M / ( M + 2m) 2) ( ? ( M + 2m))/M 3) ? M / ( M + m) 4) ( ? ( M - 2m))/(M + 2m) 3. In thermodynamic processes which of the following statements is not true? 1) In an isochoric process pressure remains constant 2) In an isothermal process the temperature remains constant 3) In an adiabatic process PV ? = constant 4) In an adiabatic process the system is insulated from the surroundings 4. The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to: 1) Threshold frequency (v0) 2) Intensity of light 3) Frequency of light (v) 4) v - v0 5. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of pendulum at x = a/2 will be : 1) pa / T 2) ( 3 p2a)/T 1/37 Ans. 4 Ans. 1 Ans. 1 Ans. 2 que 3) ( pa v ( 3 ) ) / T 4) ( pa v ( 3 ) ) / 2 T 6. See the electric circuit shown in this Figure. Which of the following equations is a correct equation for it? 1) e 2 - i2 r2 - e 1 - i1 r1 = 0 2) - e 2 - (i1 + i2) R + i2 r2 = 0 3) e 1 - (i1 + i2) R + i1 r1 = 0 4) e 1 - (i1 + i2) R - i1 r1 = 0 7. A body, under the action of a force The mass of this body must be: 1) 10 kg 2) 20 kg 3) 1 0 v 2 kg 4) 2 v 1 0 kg 8. The symbolic representation of four logic gates are given below: = 6 î - 8 j + 10 , acquires an acceleration of 1 m/s2. The logic symbols for OR, NOT and NAND gates are respectively: 1) (iv), (i), (iii) 2) (iv), (ii), (i) 3) (i), (iii), (iv) 4) (iii), (iv), (ii) 9. If is the force acting on a particle having position vector force about the origin, then: 1) . and be the torque of this > 0 and . <0 2/37 Ans. 3 Ans. 4 Ans. 3 Ans. 2 2) 3) 4) . . . = 0 and = 0 and ? 0 and . . . =0 ?0 =0 10. The two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T 1 and T 2 (T 1 > T 2). The rate of heat transfer, (dQ/dt) through the rod in a steady state is given by: 1) dQ/dt = (k(T 1 - T 2))/LA 2) dQ/dt = kLA(T 1 - T 2) 3) dQ/dt = (kA(T 1 - T 2))/L 4) dQ/dt = (kL(T 1 - T 2))/A 11. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength: 1) 4000 nm 2) 6000 nm 3) 4000 Å 4) 6000 Å 12. If the dimensions of a physical quantity are given by M a Lb T c, then the physical quantity will be: 1) Velocity if a = 1, b = 0, c = - 1 2) Acceleration if a = 1, b = 1, c = - 2 3) Force if a = 0, b = - 1, c = - 2 4) Pressure if a = 1, b = - 1, c = - 2 13. A transistor is operated in common-emitter configuration at Vc = 2 V such that a change in the base current from 100µA to 200µA produces a change in the collector current from 5 mA to 10 mA. The current gain is: 1) 100 2) 150 3) 50 4) 75 14. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is: 1) 4 ms -2 upwards. 2) 4 ms -2 downwards. 3) 14 ms -2 upwards. 4) 30 ms -2 downwards. 15. Four identical thin rods each of mass M and length l, form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is : 3/37 Ans. 2 Ans. 3 Ans. 3 Ans. 4 Ans. 3 Ans.1 Page 4 CBSE AIPMT EXAMINATON- 2009 Full Paper Physics 1. In the nuclear decay given below: B, the particles emitted in the sequence are: 1) ?, ß, a 2) ß, ?, a 3) a, ß, ? 4) ß, a, ? 2. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity If two objects each of mass m be ?. attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity: 1) ? M / ( M + 2m) 2) ( ? ( M + 2m))/M 3) ? M / ( M + m) 4) ( ? ( M - 2m))/(M + 2m) 3. In thermodynamic processes which of the following statements is not true? 1) In an isochoric process pressure remains constant 2) In an isothermal process the temperature remains constant 3) In an adiabatic process PV ? = constant 4) In an adiabatic process the system is insulated from the surroundings 4. The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to: 1) Threshold frequency (v0) 2) Intensity of light 3) Frequency of light (v) 4) v - v0 5. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of pendulum at x = a/2 will be : 1) pa / T 2) ( 3 p2a)/T 1/37 Ans. 4 Ans. 1 Ans. 1 Ans. 2 que 3) ( pa v ( 3 ) ) / T 4) ( pa v ( 3 ) ) / 2 T 6. See the electric circuit shown in this Figure. Which of the following equations is a correct equation for it? 1) e 2 - i2 r2 - e 1 - i1 r1 = 0 2) - e 2 - (i1 + i2) R + i2 r2 = 0 3) e 1 - (i1 + i2) R + i1 r1 = 0 4) e 1 - (i1 + i2) R - i1 r1 = 0 7. A body, under the action of a force The mass of this body must be: 1) 10 kg 2) 20 kg 3) 1 0 v 2 kg 4) 2 v 1 0 kg 8. The symbolic representation of four logic gates are given below: = 6 î - 8 j + 10 , acquires an acceleration of 1 m/s2. The logic symbols for OR, NOT and NAND gates are respectively: 1) (iv), (i), (iii) 2) (iv), (ii), (i) 3) (i), (iii), (iv) 4) (iii), (iv), (ii) 9. If is the force acting on a particle having position vector force about the origin, then: 1) . and be the torque of this > 0 and . <0 2/37 Ans. 3 Ans. 4 Ans. 3 Ans. 2 2) 3) 4) . . . = 0 and = 0 and ? 0 and . . . =0 ?0 =0 10. The two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T 1 and T 2 (T 1 > T 2). The rate of heat transfer, (dQ/dt) through the rod in a steady state is given by: 1) dQ/dt = (k(T 1 - T 2))/LA 2) dQ/dt = kLA(T 1 - T 2) 3) dQ/dt = (kA(T 1 - T 2))/L 4) dQ/dt = (kL(T 1 - T 2))/A 11. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength: 1) 4000 nm 2) 6000 nm 3) 4000 Å 4) 6000 Å 12. If the dimensions of a physical quantity are given by M a Lb T c, then the physical quantity will be: 1) Velocity if a = 1, b = 0, c = - 1 2) Acceleration if a = 1, b = 1, c = - 2 3) Force if a = 0, b = - 1, c = - 2 4) Pressure if a = 1, b = - 1, c = - 2 13. A transistor is operated in common-emitter configuration at Vc = 2 V such that a change in the base current from 100µA to 200µA produces a change in the collector current from 5 mA to 10 mA. The current gain is: 1) 100 2) 150 3) 50 4) 75 14. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is: 1) 4 ms -2 upwards. 2) 4 ms -2 downwards. 3) 14 ms -2 upwards. 4) 30 ms -2 downwards. 15. Four identical thin rods each of mass M and length l, form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is : 3/37 Ans. 2 Ans. 3 Ans. 3 Ans. 4 Ans. 3 Ans.1 1) (2/3) Ml2 2) (13/3) Ml2 3) (1/3) Ml2 4) (4/3) Ml2 16. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of both the strings is same and equal to 1 g/m. When both the strings vibrate simultaneously the number of beats is: 1) 7 2) 8 3) 3 4) 5 17. The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an: 1) isomer of parent 2) isotone of parent 3) isotope of parent 4) isobar of parent 18. The Figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement? 1) curves (a) and (b) represent incident radiations of same frequency but of different intensities. 2) curves (b) and (c) represent incident radiations of different frequencies and different intensities. 3) curves (b) and (c) represent incident radiations of same frequency having same intensity. 4) curves (a) and (b) represent incident radiations of different frequencies and different intensities. 19. The Figure shows elliptical orbit of a planet m about the sum S. The shaded area SCD is twice the shaded area SAB. If t1 is the time for the planet of move from C to D and t2 is the time to move from A to B then: 4/37 Ans. 4 Ans. 1 Ans. 3 Ans. 1 Page 5 CBSE AIPMT EXAMINATON- 2009 Full Paper Physics 1. In the nuclear decay given below: B, the particles emitted in the sequence are: 1) ?, ß, a 2) ß, ?, a 3) a, ß, ? 4) ß, a, ? 2. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity If two objects each of mass m be ?. attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity: 1) ? M / ( M + 2m) 2) ( ? ( M + 2m))/M 3) ? M / ( M + m) 4) ( ? ( M - 2m))/(M + 2m) 3. In thermodynamic processes which of the following statements is not true? 1) In an isochoric process pressure remains constant 2) In an isothermal process the temperature remains constant 3) In an adiabatic process PV ? = constant 4) In an adiabatic process the system is insulated from the surroundings 4. The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to: 1) Threshold frequency (v0) 2) Intensity of light 3) Frequency of light (v) 4) v - v0 5. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of pendulum at x = a/2 will be : 1) pa / T 2) ( 3 p2a)/T 1/37 Ans. 4 Ans. 1 Ans. 1 Ans. 2 que 3) ( pa v ( 3 ) ) / T 4) ( pa v ( 3 ) ) / 2 T 6. See the electric circuit shown in this Figure. Which of the following equations is a correct equation for it? 1) e 2 - i2 r2 - e 1 - i1 r1 = 0 2) - e 2 - (i1 + i2) R + i2 r2 = 0 3) e 1 - (i1 + i2) R + i1 r1 = 0 4) e 1 - (i1 + i2) R - i1 r1 = 0 7. A body, under the action of a force The mass of this body must be: 1) 10 kg 2) 20 kg 3) 1 0 v 2 kg 4) 2 v 1 0 kg 8. The symbolic representation of four logic gates are given below: = 6 î - 8 j + 10 , acquires an acceleration of 1 m/s2. The logic symbols for OR, NOT and NAND gates are respectively: 1) (iv), (i), (iii) 2) (iv), (ii), (i) 3) (i), (iii), (iv) 4) (iii), (iv), (ii) 9. If is the force acting on a particle having position vector force about the origin, then: 1) . and be the torque of this > 0 and . <0 2/37 Ans. 3 Ans. 4 Ans. 3 Ans. 2 2) 3) 4) . . . = 0 and = 0 and ? 0 and . . . =0 ?0 =0 10. The two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T 1 and T 2 (T 1 > T 2). The rate of heat transfer, (dQ/dt) through the rod in a steady state is given by: 1) dQ/dt = (k(T 1 - T 2))/LA 2) dQ/dt = kLA(T 1 - T 2) 3) dQ/dt = (kA(T 1 - T 2))/L 4) dQ/dt = (kL(T 1 - T 2))/A 11. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength: 1) 4000 nm 2) 6000 nm 3) 4000 Å 4) 6000 Å 12. If the dimensions of a physical quantity are given by M a Lb T c, then the physical quantity will be: 1) Velocity if a = 1, b = 0, c = - 1 2) Acceleration if a = 1, b = 1, c = - 2 3) Force if a = 0, b = - 1, c = - 2 4) Pressure if a = 1, b = - 1, c = - 2 13. A transistor is operated in common-emitter configuration at Vc = 2 V such that a change in the base current from 100µA to 200µA produces a change in the collector current from 5 mA to 10 mA. The current gain is: 1) 100 2) 150 3) 50 4) 75 14. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is: 1) 4 ms -2 upwards. 2) 4 ms -2 downwards. 3) 14 ms -2 upwards. 4) 30 ms -2 downwards. 15. Four identical thin rods each of mass M and length l, form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is : 3/37 Ans. 2 Ans. 3 Ans. 3 Ans. 4 Ans. 3 Ans.1 1) (2/3) Ml2 2) (13/3) Ml2 3) (1/3) Ml2 4) (4/3) Ml2 16. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of both the strings is same and equal to 1 g/m. When both the strings vibrate simultaneously the number of beats is: 1) 7 2) 8 3) 3 4) 5 17. The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an: 1) isomer of parent 2) isotone of parent 3) isotope of parent 4) isobar of parent 18. The Figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement? 1) curves (a) and (b) represent incident radiations of same frequency but of different intensities. 2) curves (b) and (c) represent incident radiations of different frequencies and different intensities. 3) curves (b) and (c) represent incident radiations of same frequency having same intensity. 4) curves (a) and (b) represent incident radiations of different frequencies and different intensities. 19. The Figure shows elliptical orbit of a planet m about the sum S. The shaded area SCD is twice the shaded area SAB. If t1 is the time for the planet of move from C to D and t2 is the time to move from A to B then: 4/37 Ans. 4 Ans. 1 Ans. 3 Ans. 1 1) t1 = 4t2 2) t1 = 2t2 3) t1 = t2 4) t1 > t2 20. A black body at 227°C radiates heat at the rate of 7 Cals/cm 2s. At a temperature of 727°C, the rate of heat radiated in the same units will be: 1) 50 2) 112 3) 80 4) 60 21. The driver of a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is: 1) 555.5 Hz 2) 720 Hz 3) 500 Hz 4) 550 Hz 22. A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points, A and B as shown in the Figure, is: 1) 3 O 2) 6 pO 3) 6 O 4) 0.6 pO 23. A rectangular, a square, a circular and an elliptical loop, all in the (x - y) plane, are moving out of a uniform magnetic field with a constant velocity, = v î. The magnetic field is directed along the negative z axis direction. The induced emf, during the passage of these loops, out of the field region, will not remain constant for: 1) the circular and the elliptical loops. 2) only the elliptical loop. 5/37 Ans. 2 Ans. 2 Ans. 2 Ans. 1Read More

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