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. 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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2. Applied force is proportional to extension produced is a statement of ____ law.
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3. A string of natural length L extends to a new length L' under tensile force F. If Hooke’S law applies, the work done in stretching the spring is ------------
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4. Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
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5. Forces are called coplanar when all of them acting on body lie in one _____.
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6. The amount of heat stored in a substance depends on all of the following EXCEPT _______
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7. Thermal expansion of a solid material depends on the following EXCEPT __________
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8. One of these is NOT a basic assumption of kinetic theory of ideal gases
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9. In which of the following phenomena is surface tension important?
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10. A mass accelerates uniformly when the resultant force acting on it
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11. 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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12. When an object is in thermal equilibrium, it is losing and gaining heat at ____ rates.
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13. The speed of 90 hm/hr is equal to ------------------ m/s
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14. The absolute zero temperature refers to the temperature at which _____
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15. 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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16. The _______ occurs when the driving frequency is the same as the natural frequency of the oscillator.
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17. The _________ is an aggregate of point masses such as that the relative separation between any two points remains invariant
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18. 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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19. The molecules of a liquid are held together by what type of forces?
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20. Which of the following physical concepts best explains why passengers in fast moving cars should always fasten their seat-belts?
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21. The _____of oscillations of a particle in simple harmonic motion is damped by resistive forces due to the surrounding medium.
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22. What are the dimensions of power (time rate of change of expending energy)
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23. FBQ25: A ________ is the turning effect caused by a couple.
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24. The term that best describes the need to hold the butt of a riffle firmly against the shoulder when firing to minimise impact on the shoulder is ________
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25. According to the kinetic-molecular theory, particles of matter are in motion in both gas and _____.
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26. 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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27. Which of the following does NOT refer to the terms description of stability of on an object?
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28. On what thermometric property does the working of a thermistor depend?
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29. The ____ of the instantaneous centre of a moving rigid body is called centroid.
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30. What is the unit of impulse?
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31. A Null vector is a vector whose magnitude is __________.
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32. 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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33. Which of the following is NOT a thermometric property?
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34. Instantaneous velocity is the velocity of a particle at some _____of its path.
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35. The motion of a ball rolling down a ramp is one with ________
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36. A cart is moving horizontally along a straight line with constant speed of 30 m/s. A projectile is fired from the moving cart in such a way that it will return to the cart after the cart has moved 80 m. At what speed (relative to the cart) and at what angle (to the horizontal) must the projectile be fired?
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37. Given three vectors $vec{a} = {-}vec{i}{-}4vec{j}+2vec{k}$, $vec{b} = 3vec{i}+2vec{j}-2vec{k}$, $vec{c} = 2vec{i}{-}3vec{j}+vec{k}$, calculate $vec{a}cdot(vec{b}timesvec{c})$
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38. A wall or partition that allows free exchange of heat energy between two systems is referred to as --------------
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39. _______ is that which enables a body to perform work.
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40. What is common to the variation in the range and the height of a projectile?
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41. The rise in the level of a liquid in a tube is h. If half the amount is poured outside, what will be the new rise in the liquid level?
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42. Which of the following substances has the highest viscosity at room temperature?
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43. Which of the following is NOT true?
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44. The general motion of a rigid body is a combination of ________and rotation.
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45. An object is shot from the ground at 75m/s at an angle of 45 degrees above the horizontal. How high does the object get before beginning its descent?
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46. Which of the following is NOT an effect of heat on a substance?
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47. A rope suspended from a ceiling supports an object of weight W at its opposite end. Another rope tied to the first at the middle is pulled horizontally with a force of 30N. The junction P of the ropes is in equilibrium. Calculate the weight W and the tension T in the upper part of the first rope
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48. The fundamental interval of a thermometric scale is ______
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49. 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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50. 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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