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Mdcat-past-papers - IBA - Physics Quiz

Filters: Board: IBA | Subject: Physics |
21. The force between two charges is 28 N in vacuum. If paraffin wax of relative permittivity 2.8 is introduced between the charges as a medium, then the force reduces to:



22. A body moves along a semicircular path of radius 10 m from one end of the diameter to the other. The ratio of distance to displacement is:



23. A body is projected with speed v making an angle 0 with the horizontal and covers horizontal range R. If its speed is doubled, the new range will be:



24. A ball of mass m strikes a wall and rebounds with the same speed in the opposite direction, taking the initial direction as positive, the change in the momentum of the ball is:



25. A point lies 3m from a +5μC charge and 4m from a -3μC charge. The most appropriate direction of the net electric field at this point is directed:



26. The increase in kinetic energy associated with decreased pressure of a fluid in a horizontal pipe is a consequence of the:



27. The electric field at a point due to a point charge is 200N/C. If suppose a -4C test charge is placed at that point then the magnitude of electric field and electric force on it is:



28. Internal resistance reduces the terminal voltage because it:



29. The angle formed at the center of a circle as a body moves from one position to another is:



30. During the drilling of a metal surface the drill bit heats up. This heat comes from the:



31. If 2J of work is done in moving two coulombs of charge from one point to the other in an electric field. The potential difference between the points is:



32. The motion of transverse waves involves particle's vibration:



33. In laminar flow of fluid, its adjacent layers:



34. A body moving in a circle, half revolution in terms of radians is equivalent to:



35. If A=(a²+b²) and B=4(a²+b²), magnitude of A×B =



36. A proton and an alpha particle enter in the same magnitude with equal speeds, compared to proton, the alpha particle's path will have:



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