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