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 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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2. When a gas is allowed to expand at constant _____the process is described as isothermal.
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3. According to the kinetic-molecular theory, particles of matter are in motion in both gas and _____.
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4. The general motion of a rigid body is a combination of ________and rotation.
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5. 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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6. The heat required to raise the temperature of the body through 1K is called _______.
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7. The coefficient of limiting static friction is the ratio of the ____ to the normal force.
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8. 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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9. FBQ25: A ________ is the turning effect caused by a couple.
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10. 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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11. The mechanism of heat transfer from one point to another through vibration of the molecules of the medium is called -------------
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12. Applied force is proportional to extension produced is a statement of ____ law.
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13. The _______ occurs when the driving frequency is the same as the natural frequency of the oscillator.
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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. 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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16. The velocity of a particle moving with simple harmonic motion is ____ at the mean position.
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17. _______ is that which enables a body to perform work.
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18. 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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19. What is the unit of impulse?
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20. 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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21. One of these is NOT a basic assumption of kinetic theory of ideal gases
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22. 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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23. Which of these is correct about viscosity?
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24. The fundamental interval of a thermometric scale is ______
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25. Which of the following does NOT refer to the terms description of stability of on an object?
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26. Which of the following is NOT true?
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27. The speed of 90 hm/hr is equal to ------------------ m/s
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28. The statement "the specific latent heat of fusion of ice is $3.3times 10^{5}$J/kg" means ______
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29. In which of the following phenomena is surface tension important?
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30. Which of the following contributes to the instability of an object?
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31. 3-vectors are only properly represented in a 3-dimensional _____.
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32. Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
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33. Forces are called coplanar when all of them acting on body lie in one _____.
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34. 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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35. The physical pendulum is any real pendulum in which all the mass is taken to be concentrated at a_____.
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36. 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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37. __________forces meet at one point and have their lines of action in different planes.
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38. 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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39. 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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40. If a force of 40N acting in the direction due East and a force of 30N is acting in the direction due North. Then the magnitude of the resultant forces will be ___________.
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41. The resultant of vectors $vec{A}$ and $vec{B}$ has a magnitude of 20 units.$vec{A}$ has a magnitude of 8 units, and the angle between $vec{A}$ and $vec{B}$ is $40^{o}$. Calculate the magnitude of $vec{B}$
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42. A mass accelerates uniformly when the resultant force acting on it
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43. The absolute zero temperature refers to the temperature at which _____
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44. When trying to turn a key into a lock, ____ of forces are applied.
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45. On what thermometric property does the working of a thermistor depend?
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46. 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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47. 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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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. What are the dimensions of power (time rate of change of expending energy)
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50. Which of the following is NOT an effect of heat on a substance?
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