Basic Physics MCQ

1. The preload is approximately the same as the ________.

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2. In considering proportions, acceleration is _______.

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3. It is ____________ for motorcyclists to ride more than two abreast in a lane.

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4. The cosmic rays deflected most by earth's magnetic field are above the _________.

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5. Polycythemia results in _______.

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6. The blueness of the daytime sky is due mostly to light _______.

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7. Organisms that are poikilothermic _______.

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8. Regarding size radio waves have the _________ wavelength compared to the other types of ems.

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9. Reflection and absorption by the atmosphere prevent some ____ from reaching earth's surface.

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10. Recycled energy is mainly _______.

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11. Programs such as ____ support energy conservation for electronic devices.

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12. Pressure has an appreciable effect on the solubility of ________ in liquids.

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13. It is typical for people in hypnotic trances to temporarily __________.

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14. One's weightlessness in space has most to do with _______.

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15. Jupiter is 317 times more massive than the earth. its gravitational attraction is _____ earth's.

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16. Ammeters should be connected ________ with the circuit being tested.

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17. _____ are especially vulnerable to displaced aggression.

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18. When steam condenses into water, __________.

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19. Very small organisms, like paramecia or protozoa, moving around in water __________.

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20. The ________ respects the new conductor.

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21. Restless tectonic plates move (shift) between one and fifteen centimeters per __________.

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22. Stern observed all of the following results except _______ in his experiment.

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23. A compass in a magnetic field will line up __________.

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24. _____ is the property of increasing pitch that accompanies increases in the tones frequency.

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25. As __________________ decreases, then light energy increases.

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26. An atom with z = 26 and a = 58 contains ________ protons and ________ neutrons.

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27. Capillary beds have precapillary ____________ at the junction of capillaries and the metarteriole.

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28. Ultraviolet light that is not transmitted through a pane of glass is _______.

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29. When a parcel of air sinks in the atmosphere, there is usually _________.

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30. The quadriceps femoris is a knee __________ used to rise from a seated position.

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31. This formula applies to ________________.

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32. The unifying factor that unites different realms of spacetime is the _________.

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33. The two types electromagnetic waves transparent to our atmosphere are _______.

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34. The minimum detectable sound for normal hearing is arbitrarily set at _____ decibels.

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35. The greeks studied charges using _____. gold copper magnetite amber

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36. The flow rate of a liquid is _______.

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37. Noise-canceling devices such as jackhammer earphones make use of sound _______.

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38. Magnetic domains are composed of clustered _________.

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39. Machine data makes up for more than ___% of the data accumulated by organizations.

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40. According to the authors, judgments of faith __________.

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41. A step-up transformer _____ the voltage and _____ the current.

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42. A magnifying glass widens the angle through which _________.

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43. Accidentally breathing foreign particles into the lungs is called _______.

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44. A point is ____ of an inch in height.

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45. Einstein's equivalence principle says that ______.

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46. Fast-moving currents of air that occur above the friction layer are called _____.

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47. A 1 kg balloon at equilibrium in the air is buoyed up with a force of __________.

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48. Henri becquerel and the curies found out that _____.

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49. To say that an atom is excited is to say it has boosted _________.

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50. A total completeness constraint is represented by _____.

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51. As __________________ decreases, then the frequency of waves increases.

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52. The waves associated with relaxation or drowsiness are called _____ waves.

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53. A water wave travels across a 42-meter wide pond in 7.0 seconds. the speed of the wave is _____.

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54. When a projectile achieves escape speed from earth, it _______.

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55. The velocities of seismic waves traveling from earthquake foci ________.

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56. When we say charge is conserved, we mainly mean that charge can be _________.

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57. When it's winter in the united states, in argentina it is _____.

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58. The unit of electric potential or electromotive force is the _____. volt ohm ampere franklin

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59. The net charge on an energized capacitor is normally _________.|

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60. Strictly speaking, the light that meets and passes through a pane of window glass _________.

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61. Solid-state storage is quickly replacing forms of _____ on small devices like the ipod.

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62. Slow moving vehicles must display ___________ emblem at the rear to warn of their low speed.

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63. When we move around through space just a little bit, we are moving _____.

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64. The angular size of the smallest features that a telescope can see is called the angular ________.

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65. Injured cartilage might heal more quickly if a treatment were discovered that would __________.

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66. Which of the following statements are correct about the amplitude modulation?

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67. Which of the following statements are correct about the full wave bridge rectifier?

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68. Which of the following flowing layers of atmosphere exist only during the day time?

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69.

Which of the following options are the correct differences between the vacuum tube devices and the semiconductor devices?

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70. Which of the following options are the correct characteristics of electromagnetic waves?

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71. In relation to extrinsic semiconductors, which two of the following options are the pentavalent dopants?

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72.

In the given image, what is the level of output impedance for the given system?

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73. Which types of spectrum is obtained when a pure green glass plate is placed in the path of white light?

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74. Nina runs up a staircase of 60 steps in 15 seconds. If Nina's weight is 48 kg and the height of each step is 15 cm, then what is Nina's power? Consider that 9: 10 [TI/$2.

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75. When placed in a polarimeter, a 600 mm long tube containing 120 cc of sugar solution produces a rotation of 15°. What is the quantity of sugar contained in the solution. if the specific rotation is 60°?

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76. Consider two wires of same material and same length. What is the ratio of their radii, if their resistances are 10 Q and 20 0, respectively?

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77. For modulating a carrier frequency 0f1 MHz and peak voltage of 40 volts, 8 message signal with a frequency of 20 KHz and peak voltage 20 volts is used. What is the modulation index and the side bands produced?

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78. What is the approximate value of maximum forward voltage for the visible-light LED?

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79. What is the correct wavelength range of the visible light?

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80.

Three parallel conductors X, Y, and Z are carrying currents as shown in the f‌igure. If the length of each of the conductor is 10 m, then what is the magnitude and direction of the resultant force on the conductor Y?

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81. Consider two slits that are 0.5 mm apart. These slits are illuminated by the light of wavelength 5000 A. What is the separation between the second bright fringe on both the sides of central maximum, if the screen is placed at 1 m distance from the slits?

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82. What is the force on a conductor of the length 60 cm carrying a current of 5A which is placed perpendicular to a magnetic field of induction 4 x10'3 T?

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83. Suppose a plano — convex lens is placed on an optically f‌iat glass plate. The radius of the lens is 3m and the lens is illuminated by monochromatic light. What is the wavelength of the light used. if the radius of the 8”1 dark ring is 4.2mm?

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84. Consider a parallel plate capacitor in which the plates are separated by 3.0 mm. The area of each of these plates is 120 cm2. A 450 V supply is used for Charging this capacitor. What is the correct value of electrostatic energy stored by the capacitor?

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85. Lisa is sitting in a parked car. She noticed Ryan approaching towards the car in the side view mirror of R = 2m. How fast the image of Ryan appears to move when he is 39m away? Note: It is given that Ryan is moving at a speed of 5 m/s.

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86. A current of 3A is carried by a copper wire having 10'6 m2 area of cross section. What is the correct value of average drift velocity, if the number of electrons per cubic metre is 9X10”?

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87. Ryan fires a bullet with a speed of 200 m/s on a soft plywood. The mass of the bullet is 50.0 g and the thickness of the plywood is 2.00 cm. What is the emergent speed of the bullet if it emerges with only 10% of its initial kinetic energy?

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88. Which of the following options is the correct composition of a fuse wire?

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89. What is the power of a lens if the value of its focal length is 0.8 m?

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90.

In the given image, what is the value of Vimx for the given Zener diode (in the 'on' state)?

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91. Interference fringes are produced in Young‘s double slit experiment by using two coherent sources of intensity ratio of 49 :1. What is the correct ratio of maximum and minimum intensities?

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92. The maximum load capacity (elevator and passengers) ofan elevator is 1600 kg. It is moving up with a constant speed of 1.8 m/s. What is the minimum power delivered by the motor to the elevator. if the frictional force opposing the motion is 4000 N?

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93. Which of the following types of biasing is used in Zener diode?

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94. If:{ is the wavelength of the signal, then what should be the minimum size of the antenna so that it properly senses the time variation of the signal?

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95.

In the given image. what position of the image is formed by the lens combination?

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96. For a ray incident from a denser to rarer medium, what is the critical angle of incidence it?

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97. Light falls on a spherical glass surface from a point source in air. It is given that n=1.5 for the spherical glass surface and the radius of curvature is 40 cm. At which of the following positions the image is formed. if the distance of the light source from the glass surface is 100 cm?

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98. Which of the following options is the correct critical angle of a diamond?

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99. In Newton's rings experiment, if the diameter of a certain order of a dark ring is four times that of the second ring, then what is the order of the ring?

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100. How much time is required by the sun for taking a shift by 1° when viewed from the earth, if it is given that the earth takes 24 hours to rotate once about its axis?

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101. A satellite with 10 kg weight is circling around the earth once every 2 hours. The radius of the orbit is 9000 km. What is the quantum number of the orbit of the satellite. assuming that Bohr's angular momentum postulate applies to the satellites?

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102. While undergoing beta decay, the half-life of tritium is 12.5 years. After 25 years, what fraction of a sample of pure tritium will be decayed?

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103. When 15 O resistance is connected across the galvanometer, its deflection falls from 60 divisions to 20 divisions. What is the correct value of the galvanometer resistance?

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104. For separating a hydrogen atom into a proton and an electron, 13.6 eV energy is required. What is the velocity of the electron in a hydrogen atom?

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105. For a double convex lens, the radii of curvature of the faces are 20 cm and 30 cm. What is the refractive index of the glass, if its focal length is 24 cm?

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106. Consider that a cyclist comes to a skidding stop in 20 m. How much work is done by the road on the cycle, if the force on the cycle due to the road is 300 N and is directly opposed to the motion?