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