1. Which of the following measurements is not a unit of distance?
Correct : A. Ammeter
2. Which one of the following remains constant while throwing a ball upward?
Correct : C. Acceleration
3. Pure water freezes at what temperature?
Correct : B. 32 F
4. Which vitamin is abundant in citrus fruits?
Correct : C. . Vitamin C
5. Which of the following statements is not true regarding LASER?
Correct : C. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
6. If a moving body turns its speed to 1.5 times, what will be the impact on its kinetic energy?
Correct : C. will become 2.25 times
7. Two Flat mirrors are placed at an angle of 60° from each other. How many images will be formed of a Candle placed in between them?
Correct : C. 5
8. A tourist, who plans to visit a hill station located at very high altitude also wishes to take along his Television Set. In this context, consider the following:
LCD TV
Plasma TV
Cathode Ray Tube TV
Which among the above are expected to work properly at very high altitudes?
Correct : C. 1 & 3
9. If an egg with shell is placed in a microwave oven, which among the following would most likely happen?
Correct : C. The egg shell will explode
10. Which among the following is the SI physical unit of dynamic viscosity?
Correct : B. Pascal-second
11. Which among the following phenomena of the optics makes the Endoscopy capable of examining the internal organs such as Abdomen?
Correct : B. Total Internal Reflection
12. An antenna in a Geostationary satellite should have a minimum beam width of which among the following values to cover the entire earth?
Correct : B. 17.34°
13. A piece of Ice was tied with a string to a water bucket‘s bottom, and the water bucket was filled with water with ice fully submerged in it. What would be the impact on the level of water when the ice melts away completely?
Correct : B. The level of water will go down
14. A ―Charge-coupled device‖ in the modern Digital Cameras has replaced which among the following in the traditional Cameras?
Correct : C. Photographic film
15. An instrument called ―Theodolite‖ is used in which among the following ?
Correct : C. Measuring horizontal and vertical angles in triangular networks
16. A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo?
Correct : D. 17 meters
17. A long Rail (approximately 700 meters) made up of steel is struck to produce a sound. The person standing on the other end of the rail would hear in which among the following pattern?
Correct : C. He listens the sound waves twice, first propagated via steel and second propagated via air
18. Which among the following is studied under ‖ fulminology‖?
Correct : B. Lightning
19. Which among the following has the lowest frequency Range?
Correct : A. L-Band
20. How does the Isotope of Iodine, Iodine-135 plays an important role in Nuclear Power Generation?
Correct : B. It is a bi-product of Nuclear Reaction which kills the neutrons and this inhibits the power formation
21. Which among the following is the correct statement about Black Ice?
Correct : B. It is the thin transparent layer of ice made up usually on roads and pavement
22. In many countries with cold climates, the municipalities often sprinkle salt on icy roads in winter. Which among the following is the correct reason for this?
Correct : B. The Salt lowers the Freezing Point of water
23. Consider the following:
1. Near Infrared
2. Mid Infrared
3. Far Infrared
Which among the following is the correct order of increasing wavelength of the above?
Correct : A. 1,2,3
24. Which among the following is measured by an Odometer?
Correct : C. Distance
25. The term ―Isopycnic‖ is most closely defined by which among the following?
Correct : C. Two liquids with same density
26. Which among the following property of the matter is studied in ―Rheology‖?
Correct : B. Viscosity
27. ―Fermi‖ is a unit of which among the following?
Correct : B. Length
28. Which among the following correctly represents a Parsec?
Correct : B. 3.261 Light Years
29. Consider the following:
1. Submarine Communications
2. AM Radio
3. Short Wave Radio
4. Radar
Arrange the above in increasing frequency of the waves used in their applications.
Correct : B. 1 2 3 4
30. Consider the following advantages of the Optic Fibers and the Copper wires:
Optic Fibers are NOT susceptible to the electrical interference
Optic Fibers can be used to transmit more signals that Copper Wires
Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires.
Which among the above stand correct ?
Correct : C. All 1, 2 & 3 are correct
31. The power we use at Home has a frequency of 60Hz. What would be the period of the sine wave?
Correct : B. 0.0116 seconds
32. What do we call the part of the ―DTH Satellite dish‖ that converts the signals from electromagnetic or radio waves to electrical signals ?
Correct : B. Low-noise block converter (LNB)
33. Which among the following waves are used in the gemstone industry to change white topaz
into blue topaz?
Correct : B. Gamma Rays
34. Which among the following waves are most commonly used in the Night Vision Devices?
Correct : B. Infra Red Waves
35. Which among the following strictly works on the principle of dipole movement of the water molecules?
Correct : B. Microwave Oven
36. Which among the following is the most common cause of Sunburn?
Correct : A. Ultraviolet Radiation
37. One Torr is equivalent to how many mm of Mercury?
Correct : A. 1 mm
38. ―Svedberg Unit‖ is a unit of _________?
Correct : D. Time
39. A vehicle moving on a circular path experiences ________?
Correct : A. centripetal force
40. At which of the following places water shall boil at the lowest temperature?
Correct : B. ooty
41. In which year, Sir Chandrasekhara Venkata Raman was awarded Nobel Prize for Raman effect?
Correct : C. 1930
42. Which among the following are used in Computed tomography (CT) Scan?
Correct : A. X-Rays
43. Which among the following instruments used in Forensic Sciences is popular as Lie
detector?
Correct : C. Polygraph
44. Which among the following component of a fluorescent lamp contributes maximum in making them costly?
Correct : C. Ballast
45. An electrical fuse is used to interrupt excessive________?
Correct : B. Current
46. In context with electromagnetism, which among the following is a correct definition of Permeability?
Correct : C. Ability of a material to support the formation of a magnetic field within itself
47. The following is measured in tonne of oil equivalent (toe) ?
Correct : B. Energy released by burning of oil
48. Who among the following coined the term ―cosmic rays‖ ?
Correct : C. Robert Millikan
49. Which among the following is the most acceptable range of LEO (Low Earth orbit)?
Correct : C. 160 – 2,000 kms
50. Which among the following is a Beyond-visual-range air-to-air missile
Correct : C. Astra
51. Who was the first scientist to be awarded two Nobel Prizes?
Correct : C. Marie Curie
52. A small quantity of water is placed in a small cavity made in a block of Ice at 0 degree centigrade. Which of the following will happen?
Correct : B. the temperature of water will become zero but it will not freeze
53. Ultrasound which is upper limit of human hearing is characterized by which of the following
frequencies?
Correct : A. Above 20 KHz
54. What is the normal temperature of human being on Kelvin scale?
Correct : C. 310
55. Which among the following is known as first electronic amplification device?
Correct : B. Triode Vaccum Tubes
56. Which among the following temperature scale is based upon absolute zero?
Correct : C. Kelvin
57. Which of the following is an instrument for measuring electric charge or electrical potential difference?
Correct : C. Electrometer
58. Edwin Howard Armstrong was an inventor of which of the following technologies?
Correct : C. FM Radio
59. Parallax of one arc second‖ is a unit of which of the following?
Correct : C. Length
60. Which among the following comes under the study area of Psychrometrics?
Correct : B. physical and thermodynamic properties of gas-vapor mixtures
61. Ballistics is a branch of science that deals with which of the following?
Correct : C. Flight, behavior, and effects of projectiles
62. SOFAR is a phenomenon which plays an important role in submarine warfare & also known
as deep sound channel. Which of the following is correct full form of SOFAR?
Correct : C. Sound Fixing and Ranging channel
63. By which of the following process some stars which are of the size of Sun or smaller convert hydrogen to helium?
Correct : B. Proton Proton Chain Reaction
64. Fermi-Kurie plot is used for the study of which of the following?
Correct : B. Beta Decay
65. Which among the following denotes the correct usage of an instrument called ―Theodolite‖?
Correct : C. Measures horizontal and vertical angles in triangular networks
66. Which among the following is the science dealing with Colors?
Correct : B. Chromatics
67. Thermonuclear Experimental Reactor (ITER) project is located at?
Correct : B. France
68. Mach number‖ is a measure of which of the following?
Correct : A. Speed
69. Radiation hardening is used in design of artificial satellites, spacecraft, military aircraft, nuclear power stations, and nuclear weapons for which of the following purposes?
Correct : A. Protection from radiation damage
70. Newton-meters per second is represented as follows?
Correct : C. Watt
71. Most part of the Cosmic rays that impinge on earth‘s atmosphere are __?
Correct : B. Protons
72. Which among the following statement is correct about Fluorescence?
Correct : C. High Energy Photon is absorbed and electron is emitted
73. The combination of a Red Glass Plate and a Blue Glass plate will transmit which of the following light?
Correct : D. No Light
74. VIBGYOR (Violet Indigo Blue Green Yellow Orange Red) are the rainbow colors in which of the following order?
Correct : A. Increasing wavelength
75. Moon Mineralogy Mapper (M3) is an instruments providing the first high-resolution spatial and spectral map of the entire lunar surface to India‘s first mission to the Moon Chandrayan -1 launched 22 October 2008. It was contributed by __?
Correct : A. National Aeronautics and Space Administration (NASA)
76. RLV-TD are a series of technology demonstration missions that have been conceived by ISRO as a first step towards realizing a Two Stage To Orbit (TSTO) fully re-usable launch vehicle. What is full form of RLV-TD?
Correct : A. Reusable Launch Vehicle-Technology Demonstration
77. On which of the following Inertia of an object depends ?
Correct : D. Mass
78. A person who is pulling a bucket filled with water falls behind with the sudden break of the rope. Which of the following laws of Newton comes into action?
Correct : C. Third law
79. In which of the following situations the force applied by the weight of a person becomes zero in a lift
Correct : B. Lift moves down with an acceleration of 9.8 meter per sq. second
80. On which of the following the jet Engine works?
Correct : B. Conservation of Linear Momentum
81. Which among the following is in action in the process of a liquid rising in the syringe when the piston is pulled up?
Correct : C. atmospheric pressure
82. Which among the following character of mercury makes it suitable to use in barometers instead of water?
Correct : D. High density and low vapor pressure
83. When a barometer is taken down in a coal mine , which of the following happens with the Mercury level in the tube?
Correct : A. rises
84. what happens when a ship enters a Sea from a river ?
Correct : A. It rises
85. A transition from the solid to gas phase with no intermediate liquid stage is called?
Correct : B. Sublimation
86. Which among the following works while we wipe with a towel.?
Correct : C. capillary action
87. If water is heated , it vapor pressure will ______?
Correct : A. Increase
88. When two mercury drops are brought into contact they form a single bigger drop to get which of the following?
Correct : B. Minimum surface area
89. On a smooth glass surface , the drop of water spreads while the drop of mercury remains almost spherical. This proves that ________?
Correct : A. Cohesive forces of mercury is more than adhesive forces with glass
90. Which of the following causes the drop of water to be in spherical shape?
Correct : C. Surface tension
91. kalpana-1 was first exclusive satellite built by ISRO in which of the following satellite
systems?
Correct : B. METSAT
92. First Indian Satellite Aryabhatta was launched in which year ?
Correct : C. 1975
93. What is TERLS?
Correct : A. A rocket launching Station
94. Which among the following is known for a FBTR (fast Breeder Test Reactor) ?
Correct : C. Kalpakam
95. Which among the following is the property of Tungsten which makes it eligible to use in the bulbs?
Correct : A. highest melting point
96. Who among the following is considered by the Indian scientific community to be the father of experimental fluid dynamics research in India and one of the most eminent researchers in the field of turbulence and boundary layers?
Correct : B. Satish Dhawan
97. The speed of Sound is maximum in which of the following ?
Correct : C. Water
98. Steam at 100 degree centigrade causes more severe burns. Which of the following phenomena will you use to explain this?
Correct : B. Latent heat
99. Which of the following waves can be used to measure the speed of a approaching car?
Correct : C. Radio waves
100. Which among the following sentence is correct reason behind the blue color of ocean water?
Correct : C. Water molecules scatter the blue light