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 law Newton Ist law Conservation of energy IInd & IIIrd None Hint 2. Motion in a plane is called _________________ Motion in four dimensions Motion in three dimensions Motion in two dimensions Motion in one dimension None Hint 3. 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 1 : 1 K : 1 None Hint 4. In a circular motion None of the above Velocity is constant Speed and velocity constant Speed is constant None Hint 5. The area under v-t graph gives the Displacement Time Velocity Acceleration None Hint 6. S.I. unit of linear momentum B. Kgm-1s C. Kgm-1s-1 Kgms-2 Kgms-1 None Hint 7. 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 8. The atmosphere around the earth is held by Clouds Gravity Winds None of the above None Hint 9. 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 56 J 42 J 549 J 412 J None Hint 10. Mass of earth is 5.97x1024kg and its radius is 6371km escape velocity from earth is 11.9 kms-1 11.3 kms-1 11.3 ms-1 11.9ms None Hint 11. _______ of a body determines the direction of flow of heat. Joule Degree Celsius Pressure Temperature None Hint 12. Slope of position time graph represents for uniform motion. Acceleration None of these Uniform Velocity Distance None Hint 13. For perfectly inelastic collision, value of coefficient for restitution e is E less than 1 E =0 E=1 E greater than 1 None Hint 14. The slope of the K.E versus position for gives the ratio of change of Momentum Work power Force None Hint 15. 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: –10⁻⁴ J –10⁴ J 10⁻⁸ J 10⁴ J None Hint 16. Conservation of momentum in a collision particle can be understood from IInd law Conservation of energy Newton Ist law IInd & IIIrd None Hint 17. The ratio of the displacement of an object to the time interval is known as Average velocity Speed Distance Acceleration None Hint 18. 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 gives the viscosity of fluid It measures pressure in a pipe None Hint 19. Heat is measured in _________. Degree Celsius Temperature Pressure Joule None Hint 20. What is the dimension of velocity? ML2T-1 M0LT-1 5. MLT-2 3. ML0T-1 4. None Hint 21. What is the property of an object that resists a change in its state of motion called? Acceleration Force Inertia Momentum None Hint 22. What is the property of an object that resists a change in its state of motion called? Inertia Force Momentum Acceleration None Hint 23. Fill in the blanks: 1 kilo calorie = __ J. 4180 273 3600 1000 None Hint 24. Dimension of gravitational constant G. M-1L 3T-2 M-1L 3T-1 ML3T M-1L 2T-2 None Hint 25. What is the SI unit of force? Watt (W) Joule (J) Pascal (Pa) Newton (N) None Hint 26. Significant number in 42003042.02 is 15 5 7 10 None Hint 27. The phenomenon responsible for the formation of a rainbow is: Polarization Dispersion Diffraction Interference None Hint 28. What is the SI unit of acceleration? m/s m/s2 m2/s s2/m None Hint 29. 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 Third Law Newton's First Law Newton's Second Law None Hint 30. 1N is equivalent to 106 dyne 105 dyne 10-6dyne 10-5dyne None Hint 31. Fill in the blanks: ________ is a device in which a sustained nuclear chain reaction is carried out in a controlled manner. Motor Transformer Reactor Generator None Hint 32. Fill in the blanks: A forward biased p-n junction offers ______________ resistance to the flow of electrons. No Low Infinite High None Hint 33. Slope of velocity time graph represents Speed Acceleration None of above Distance None Hint 34. Dimension of Impulse is [MLT-1] [M-1L-1T-1] [ML2T-2] [MLT-1] None Hint 35. None 36. Circular motion is a _________________ Motion in one dimension Motion in four dimensions Motion in two dimensions Motion in three dimensions None Hint 37. Dimension of Impulse is [MLT-1] [ML2T-2] [MLT-1] [M-1L-1T-1 None Hint 38. 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 1/√3 √3 mg mg/√3 None Hint 39. Fill in the blanks: A photodiode is always connected in ______ biasing. Zero Reverse Both A and B Forward None Hint 40. 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 rocket taking off. A bicycle moving with constant velocity on a straight road. None Hint 41. 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 Green Yellow Blue None Hint 42. 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 43. S.I. unit of linear momentum Kgm-1s Kgms-1 Kgm-1s-1 Kgms-2 None Hint 44. Minimum number of non-coplanar forces acting on a body to keep it in equilibrium will be: 5 3 2 4 None Hint 45. 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 60 cm 15 cm 25 cm None Hint 46. The number of electrons that constitute -1 C of charge is: 9.0 × 10¹⁸ 6.4 × 10²⁷ 1.6 × 10¹⁹ 6.25 × 10¹⁸ None Hint 47. 1N is equivalent to 105 dyne 10-5dyne 106 dyne 10-6dyne None Hint 48. Fill in the blanks: Efficiency of a heat engine does not depend on the nature of the ________. Temperature Working substance Pressure Volume None Hint 49. Write true for correct statement and false for incorrect statement: All types of waves exhibit the phenomenon of polarization. Cannot say False Sometimes True None Hint 50. Fill in the blanks: The enormous energy produced by the sun is generated as a result of ________ reaction. Combustion Chemical Nuclear fission Nuclear fusion 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
