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