Physics Nios plus two II Welcome to your Physics Nios plus two II Total Questions: 50 Name Mobile No: 1. A body of mass 'm' just starts sliding down an inclined plane when the plane makes an angle of 30° with the vertical. The coefficient of friction between the surface of the plane and the block will be: 1/√3 mg/√3 √3 √3 mg None Hint 2. What is the dimension of velocity? ML0T-1 4. M0LT-1 5. ML2T-1 MLT-2 3. None Hint 3. What is the SI unit of acceleration? s2/m m/s m2/s m/s2 None Hint 4. Fill in the blanks: ________ is a device in which a sustained nuclear chain reaction is carried out in a controlled manner. Reactor Transformer Motor Generator None Hint 5. _______ of a body determines the direction of flow of heat. Degree Celsius Temperature Joule Pressure None Hint 6. Fill in the blanks: A forward biased p-n junction offers ______________ resistance to the flow of electrons. High Infinite Low No None Hint 7. Minimum number of non-coplanar forces acting on a body to keep it in equilibrium will be: 3 4 5 2 None Hint 8. What is the property of an object that resists a change in its state of motion called? Acceleration Momentum Inertia Force None Hint 9. The slope of the K.E versus position for gives the ratio of change of Work power Momentum Force None Hint 10. None 11. S.I. unit of linear momentum Kgms-2 C. Kgm-1s-1 Kgms-1 B. Kgm-1s None Hint 12. The electrostatic force between two point charges kept in air at a distance ‘d’ is F1 and F2 at the same distance in a medium of dielectric constant K. The ratio F1 : F2 is equal to: 1 : 1 K² : 1 1 : K K : 1 None Hint 13. Conservation of momentum in a collision particle can be understood from Newton Ist law IInd & IIIrd IInd law Conservation of energy None Hint 14. Which law states that "an object in motion tends to stay in motion unless acted upon by an external force"? Newton's Third Law Law of Conservation of Energy Newton's First Law Newton's Second Law None Hint 15. For perfectly inelastic collision, value of coefficient for restitution e is E=1 E less than 1 E greater than 1 E =0 None Hint 16. Which of the following is an example of uniform motion in a straight line? A bicycle moving with constant velocity on a straight road. A ball rolling down an incline A rocket taking off. A car speeding up on a highway None Hint 17. Significant number in 42003042.02 is 10 7 5 15 None Hint 18. A particle having charge -1 μC is placed at a point where the electric potential is 100 V. The electric potential energy of the particle is: –10⁴ J –10⁻⁴ J 10⁻⁸ J 10⁴ J None Hint 19. Heat is measured in _________. Joule Temperature Degree Celsius Pressure None Hint 20. 1N is equivalent to 10-6dyne 105 dyne 106 dyne 10-5dyne None Hint 21. What is meant by indicator diagram? It is a graph between pressure and volume for a thermodynamic process. Shows relation between temperature and pressure Diagram of electric current vs time Graph between pressure and volume Graph between mass and volume None Hint 22. Dimension of Impulse is [ML2T-2] [MLT-1] [MLT-1] [M-1L-1T-1 None Hint 23. Fill in the blanks: A photodiode is always connected in ______ biasing. Both A and B Zero Forward Reverse None Hint 24. What is the property of an object that resists a change in its state of motion called? Inertia Momentum Acceleration Force None Hint 25. Fill in the blanks: 1 kilo calorie = __ J. 273 1000 3600 4180 None Hint 26. The atmosphere around the earth is held by Gravity Winds None of the above Clouds None Hint 27. Dimension of Impulse is [MLT-1] [M-1L-1T-1] [ML2T-2] [MLT-1] None Hint 28. Dimension of gravitational constant G. ML3T M-1L 3T-1 M-1L 3T-2 M-1L 2T-2 None Hint 29. The ratio of the displacement of an object to the time interval is known as Average velocity Acceleration Distance Speed None Hint 30. Conservation of momentum in a collision particle can be understood from Newton Ist law IInd law IInd & IIIrd Conservation of energy None Hint 31. The phenomenon responsible for the formation of a rainbow is: Polarization Dispersion Interference Diffraction None Hint 32. The number of electrons that constitute -1 C of charge is: 9.0 × 10¹⁸ 6.25 × 10¹⁸ 6.4 × 10²⁷ 1.6 × 10¹⁹ None Hint 33. Slope of position time graph represents for uniform motion. Uniform Velocity Acceleration Distance None of these None Hint 34. Mass of earth is 5.97x1024kg and its radius is 6371km escape velocity from earth is 11.9ms 11.9 kms-1 11.3 kms-1 11.3 ms-1 None Hint 35. An object of weight 7 N is raised from a height of 2 m to a height of 8 m. The change in gravitational potential energy is 412 J 549 J 42 J 56 J None Hint 36. In a circular motion Speed and velocity constant None of the above Velocity is constant Speed is constant None Hint 37. S.I. unit of linear momentum Kgms-2 Kgm-1s Kgm-1s-1 Kgms-1 None Hint 38. The area under v-t graph gives the Time Displacement Velocity Acceleration None Hint 39. 1N is equivalent to 106 dyne 10-5dyne 105 dyne 10-6dyne None Hint 40. Fill in the blanks: The enormous energy produced by the sun is generated as a result of ________ reaction. Chemical Combustion Nuclear fusion Nuclear fission None Hint 41. Motion in a plane is called _________________ Motion in four dimensions Motion in one dimension Motion in three dimensions Motion in two dimensions None Hint 42. The law of conservation of energy is applicable to: Chemical systems only Nuclear systems only Every system of the universe Mechanical systems only None Hint 43. A resistance of 5 Ω is connected in the left gap and that of 15 Ω is connected in the right gap of a metre-bridge. The position of the null point on the bridge wire from its left end will be: 75 cm 15 cm 60 cm 25 cm None Hint 44. Slope of velocity time graph represents None of above Speed Acceleration Distance None Hint 45. Circular motion is a _________________ Motion in four dimensions Motion in one dimension Motion in three dimensions Motion in two dimensions None Hint 46. Write true for correct statement and false for incorrect statement: All types of waves exhibit the phenomenon of polarization. Cannot say False Sometimes True None Hint 47. What is the SI unit of force? Newton (N) Watt (W) Joule (J) Pascal (Pa) None Hint 48. What is Reynold's number? What is its significance? Reynold’s number helps predict flow patterns in different fluid flow situations It gives the viscosity of fluid It measures pressure in a pipe It determines temperature of fluid It determines whether flow is laminar or turbulent None Hint 49. Fill in the blanks: Efficiency of a heat engine does not depend on the nature of the ________. Working substance Temperature Pressure Volume None Hint 50. A parallel beam of white light is incident on a convex lens. Which of the following colors will converge nearest to its optical centre? Red Yellow Blue Green None Hint Time's up Share: admin Previous post Hindi Nios plus two IV July 21, 2025 Next post Physics Nios plus two PQ IV July 24, 2025
