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