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