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