ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
PHY101
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1. What is the unit of impulse?
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2. How fast must a ball be rolled along the surface of a 70-cm high table so that when it rolls off the edge it will strike the floor at the same distance (70cm) from the point directly below the edge of the table?
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3. A wall or partition that allows free exchange of heat energy between two systems is referred to as --------------
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4. A piece of stone has mass 80kg and density of 0.10 kg per meter cube. What is its volume in meter cube?
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5. A body hangs from a spring balance supported from the roof of an elavator. If the elavator has an upward acceleration of $3ms^{-2}$ and the balance reads 50 N, what is the true weight of the body?
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6. _______ is that which enables a body to perform work.
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7. The trajectory of a projectile is ________
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8. Which of the following is NOT true?
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9. The specific latent heat of vapourization of a liquid is the quantity of heat in joules required to change 1kg mass of the liquid at its _______to gas at the same temperature.
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10. One of these is NOT a basic assumption of kinetic theory of ideal gases
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11. When a gas is allowed to expand at constant _____the process is described as isothermal.
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12. The mechanism of heat transfer from one point to another through vibration of the molecules of the medium is called -------------
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13. The method of mixtures as a means of measuring the amount of heat of a substance depends of the principle of conservation of ______
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14. Given that the specific capacity of ice is one-half that of water, does is take more thermal energy to raise the temperature of 5 g of water or 5 g of ice by $$6^{o}C?$$
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15. When an object is in thermal equilibrium, it is losing and gaining heat at ____ rates.
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16. An ungraduated mercury thermometer attached to a millimeter scale reads 22.8mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is 20^{o} C?
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17. A 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degrees respectively to the horizontal.The tensions in the segments of the rope in newtons are ______
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18. A ball is kicked and flies from point P to Q following a parabolic path in which the highest point reached is T. The acceleration of the ball is _______
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19. Which of the following statements is not correct about reference frames?
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20. 3-vectors are only properly represented in a 3-dimensional _____.
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21. One of these is an example of thermal radiation detector
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22. A mass accelerates uniformly when the resultant force acting on it
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23. A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sight-seeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?
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24. The _____of oscillations of a particle in simple harmonic motion is damped by resistive forces due to the surrounding medium.
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25. Instantaneous velocity is the velocity of a particle at some _____of its path.
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26. The motion of a ball rolling down a ramp is one with ________
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27. Two forces act on a point object as follows: 100 N at $170^{o}$ and 100N at $50^{o}$. Find the resultant force
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28. Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
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29. A _______ consists of two equal and opposite parallel forces.
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30. Radius of _________ is the radial distance from any given axis at which the mass of a body is concentrated without changing the moment of inertia of the body about that axis.
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31. The coefficient of limiting static friction is the ratio of the ____ to the normal force.
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32. A perfectly ____ body is defined as one which emits every wavelength with the maximum energy for each wavelength for the particular temperature of the body.
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33. On what thermometric property does the working of a thermistor depend?
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34. Which of the following physical concepts best explains why passengers in fast moving cars should always fasten their seat-belts?
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35. The frictional force in fluids is known as ___________
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36. Which of these is correct about viscosity?
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37. A wire of cross-sectional area of $6times10{-5}m^{2}$ and length 50cm stretches by 0.2mm under a load of 3000N. Calculate the Young’s modulus for the wire
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38. The statement "the specific latent heat of fusion of ice is $3.3times 10^{5}$J/kg" means ______
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39. According to the kinetic-molecular theory, particles of matter are in motion in both gas and _____.
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40. The fundamental interval of a thermometric scale is ______
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41. When the junctions of two dissimilar metals are maintained at different temperatures an electromotive force is is set up in the circuit of which these junctions are a part. A pair of junctions of this kind is known as _____________
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42. A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true?
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43. Which of the following contributes to the instability of an object?
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44. The _______ occurs when the driving frequency is the same as the natural frequency of the oscillator.
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45. An object is thrown upward from the edge of a tall building with a velocity of 10 m/s. Where will the object be 3 s after it is thrown? Take $g = 10ms^{-2}$
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46. Which of the following is NOT an effect of heat on a substance?
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47. Thermal expansion of a solid material depends on the following EXCEPT __________
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48. According to principle of moment, if a system of coplanar forces is in equilibrium, then the algebraic ____of their moments about any point in their plane is zero
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49. When trying to turn a key into a lock, ____ of forces are applied.
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50. A boy intends to move an m-kg crate across the floor by applying a constant force P newtons on it.The coeficient of friction between the floor and the crate is $mu$. Which of these is the best option for his task?
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