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