General Knowledge - Important Physics related Information

Prepare Physics realted General Knowledge questions for PPSC, SPSC, BPSC, KPPSC, NTS, PTS, OTS and other quiz competitions.

General Knowledge - Important Physics related Information
The candidates are expected to have basic knowledge and information about Places, Rivers, Oceans, Seas, Mountains, Peaks, Mountain Passes, Volcanoes, Earthquaks, Highest and Lowest Points of the Continents, Population, Areas of Continents, Crops,Important Islands, Important Lakes, Important Waterfalls, Important Glaciers, Major Industries, Deserts, Atmosphere of the Earth, Forests, Winds, Tides, Time and Seasons, Latitudes and Longitudes, Weather, Rainfall, World Counties, Famous Cities, Exploration and Discoveries, Religions of the World,Empires and Dynasties, Battles, Airlines, News Agencies, Airports, Annual Days, Important Books, Nobel Prizes, World Records, General Information, Famous Personalities, U.N.O. and other International Organizations, Sports, Everyday Science, and General Science, etc.

Here are the most commonly asked General Knowledge questions you can expect to be asked in your interview, job test, or any quiz competition and advice on how you can craft effective responses. Prepare these General Knowledge questions for PPSC, SPSC, BPSC, KPPSC, NTS, PTS, OTS and other quiz competitions.
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    • General Knowledge - Physics related Information

      • Read these General Knowledge questions and enhance your General Knowledge.
  1. Theory of mutation was propounded by Hygo de Vries.
  2. A theory of acquired character was given by Lamark.
  3. Charles Darwin is famous for his theory of struggle for existence and survival of the fittest.
  4. Sigmund Freud is called as the father of modern psychiatry and psychology.
  5. Energy stored in stretched spring is Elastic Potential energy
  6. Energy stored in fossil fuels is chemical energy
  7. Radio waves are Electromagnetic waves
  8. A.C voltage is analogue quantity
  9. Optical fibers work on polarization of electromagnetic waves
  10. Condenser is used to collect the charge
  11. In diesel engine ignition takes place by compression
  12. A radar uses radio waves to detect enemy aircraft
  13. Law of floating bodies was given by Archimedes
  14. Particle with +ve charge but mass equal to electron is positron
  15. Nucleus of an atom has +ve charge.
  16. Bosons are Photons and Mesons
  17. There is no neutron in the atom of hydrogen
  18. Quark is an atomic particle. Scientists think that proton and neutrons are themselves made of still smaller particles called quarks
  19. Muttons are particles of atom
  20. John Dalton, an English scientist, gave Atomic Theory in 1803 describing atom as the smallest unit of an element
  21. Gas in children’ s balloon is Helium
  22. Weight of electron = 9.1 x 10 power -31 kg
  23. Charge on electron = 1.6 x 10 power -19 coulomb
  24. Weight of proton = 1.66 x 10 power -27 kg
  25. Charge on proton = 1.6 x 10 power -19 coulomb
  26. A proton is 1836 times heavier than an electron
  27. Ordinarily and atom is a neutral particle
  28. Ernest Rutherford, a New Zealander, in 1908 discovered Atomic Nucleus
  29. Speed of sound is faster in hot air than in cold air
  30. Ultrasonic are sound waves of high frequency = 12000 cycles/sec and higher
  31. Sound travels faster in moist air than in dry air
  32. Sound travels more rapidly in solids
  33. Maximum limit of sound beyond which a man can become deaf is 129 decibel
  34. Audible sound is 20-20,000 cycles/second
  35. Inaudible sound >20,000 cycles/second
  36. Velocity of sound at 0 deg: C is 331.7 m/s
  37. Echo can only be produces when the distance of the obstacle is at least 17 meters
  38. When we hear a sound, its impressions remain in our ear for 1/10th of a second
  39. Image persists for about 1/10th of second in our eye
  40. For creating a persistence of vision, pictures are projected at the rate of 10 or more/sec
  41. Nuclear Energy is not a source of alternative energy.
  42. Videotape used in camcorders to record audio and video signal employee fine grains of iron oxide.
  43. Temperature inside a refrigerator is 40 deg: F
  44. The laws of reflection were first discovered by a al- Hazen
  45. 0.200 grams are equal to one carat.
  46. One million cycles per second is called Megahertz.
  47. Carbon fiber is made by heating textile fibers. These are used in tennis rackets and racing yacht
  48. Catalytic converter reduce the harmful fumes the engine emits
  49. If you double the voltage you double the current (Ohm’s law)
  50. What product uses the most silver-Camera Film
  51. The speed of sound depends on the medium through which the waves are passing. The speed of sound in gases depends on what? Density
  52. Two or more molecules of carbohydrates are linked together through glycosidic bond
  53. peptide bond b\w amino acids, joined to form proteins, is the linkage b/w N and C
  54. An android is any robot that: has the ability to make decisions and formulate plans
  55. Semaphores were used between sailors for many years to communicate between ships
  56. One of the first long distance communication system invented in 1790 was the semaphores towers
  57. Telegraph was invented in 1821
  58. Telephone was invented in1876
  59. Us inventor Samuel More developed the system of dots and dashes of telegraph that was known as Morse Code
  60. Scientist now think that protons and Neutrons are themselves made of still smaller particles called quarks.
  61. Portable gadgets = Mobile phones and portable TVs.
  62. Derailleur gears are used in Bicycles.
  63. Motor – cross race is for motor cycles.
  64. Cantilever brake used in Bicycle.
  65. Speed of light 300,000 kilometers per second.
  66. Engineers use electronic theodolite and range-finder to measure the distance and angle to calibrated staff.
  67. Centigrade and Celsius temperatures are same below freezing point.
  68. which instrument is used to measure pressure? Manometer
  69. the velocity of light was first measured by Olaf Roemer
  70. centigrade and fahrenheit scales gives same readings at 32 degrees
  71. The first European scientist who refuted the belief that the earth was the centre of the universe was Copernicus.
  72. Mobile phones transmit message using radio-type waves called microwaves
  73. Super conductors are also strong diamagnetic this means they strongly repel magnets.
  74. Super conductors are used in very fast computers and also in trains like Maglevs.
  75. Electronic theodolite and range finder measures and distance and angle.
  76. A fluorescent light is a glass tube containing gas which produces UV light when current passed trough it. Tube is coated with phosphor which glows when UV hits it.
  77. Some of the chemicals from the recycle of old cells are used by liver to make bile which is stored in gall bladder.
  78. Which is lighter, gold or plastic? Plastic
  79. Lasers are a special source of light called coherent light this means all the light waves are in step with each other and travel in same direction
  80. Laser produce light of one particular wavelength and it is s single, pure color.
  81. The first hologram was make in 1962
  82. Laser = Light Amplification by Stimulated Emission of Radiation
  83. Quartz-halogen bulbs are used in overhead projectors and spotlights
  84. Helium is uses to fill airships and balloons
  85. Helium is used to pressurize hydrogen fuel in rockets and the air in diver’s air tanks
  86. Apart from radon, which is radioactive, the noble gases are used in lighting.
  87. The noble gases have very low boiling points.
  88. Liquid helium is the coldest substance.
  89. A gas only becomes liquid at -268.9 deg: C
  90. Combustion is a kind of oxidation reaction.
  91. At room temperature the particles in air travel at around 1800 km/h the same speed as a bullet fires from a rifle.
  92. Generators convert mechanical energy into electrical energy.
  93. The principle behind the generator is electromagnetic induction. It was discovered by Michael Faraday.
  94. Lovell telescope is at Jodrell Bank the site for space observatory
  95. Nicolous Copernicus (1473-1543) was born in Poland and was the first to explain the solar system.
  96. Derailleur gear are used in bicycles
  97. Cantilever brake is also used in bicycles
  98. Static electricity makes a balloon stick to the wall after you have rubbed it on your hair.
  99. John Bardeen, Walter Brattain and William Shockley in 1947 used a semiconductor called germanium to make the world’s first transistor.
  100. A diode conducts electricity easily in one direction but resists the flow of electricity in the other.
  101. A capacitor stores electric charge. Capacitors are important components for making timers.
  102. Capacitors are used in filtering circuits like treble and bass in hi-fi
  103. Transistors can be used as logic gates
  104. Energy value of food items is expressed in kilojoules (kj) or thousands of joules.
  105. British scientist James Prescott Joule discovered the principle of conservation of energy.
  106. Which one of the following statements regarding sound is true? Its source is always a vibrating material.
  107. Weight of an object put in a satellite orbiting in space around the earth is reduced to zero
  108. Movie camera take pictures at rate of 24 pictures per second
  109. Density of water is 1
  110. Water expands as it freezes to ice. This makes ice less dense than water which causes ice to float.
  111. Heat flows in three ways conduction, convection and radiation
  112. A concave lens is used for the correction of the Hyperphobia
  113. Silver metal has the highest electrical conductivity.
  114. Mohr’s scale hardest substance is diamond - what's the softest: Talc

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General Knowledge - Important Physics related Information
Prepare Physics realted General Knowledge questions for PPSC, SPSC, BPSC, KPPSC, NTS, PTS, OTS and other quiz competitions.
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