Homephysics mcqs Physics Fundamental MCQs With Answers Speed of sound through water is 100 m/sec 500 m/sec 1000 m/sec 1500 m/sec Show Correct Option 1500 m/sec An electric generator converts: Electrical energy in mechanical energy Both a and d Neither a and d Mechanical energy into electrical energy Show Correct Option Mechanical energy into electrical energy Isotopes of an element have: Same physical and chemical properties Different physical and chemical properties Same physical properties but different chemical properties Different physical properties but same chemical properties Show Correct Option Different physical properties but same chemical properties Which metal has been transferred into plutonium? Silicon Uranium Gold iron Show Correct Option Uranium In Pacific Ocean depth of Mariana Trench la; 10,100 meter 10,400 meter 11,300 meter ( 11,500 meters Show Correct Option 11,500 meters The Earth revolving around the Sun at the speed: 1,08,000 km per hour 1,50,000 km per hour 1, 68,000 km per hour 1, 93,000 km per hour Show Correct Option 1,08,000 km per hour Which one is the liquid non-metal of the following? Phosphorus Mercury Bromine Iodine Show Correct Option Bromine The element which has the greatest quantity In Earth's crust: Oxygen Aluminum Potassium Sodium Show Correct Option Aluminum A constituent of fuel used in a spaceship is: Nitrogen Chlorine Oxygen Bromine Show Correct Option Oxygen The gas liberated by plants during daylight is; Carbon dioxide Oxygen Sulphur dioxide( Hydrogen Show Correct Option Oxygen Height of Mount averest is 6,575 meters 7390 meters 8,850 meters 9230 meters Show Correct Option 8,850 meters Which physical state of water do the clouds represent? Solid Liquid Vapours Gas Show Correct Option Vapours If driving wheel is larger and driven wheel is smaller, then speed of small wheel: Decreases Increases Remains same Zero Show Correct Option Increases What is used in a better way to split timber? Scissors Iron rod Hammer Axe Show Correct Option Axe The instrument used to measure air pressure in the tyre of a car is: Simple barometer Aneroid barometer Manometer Galvanometer Show Correct Option Manometer Which one is different in nature? Axe Chisel Ruler Knife Show Correct Option Ruler Which non-metal shown metallic lustre? Sulphur Iodine Hydrogen Carbon Show Correct Option Iodine Which one is 300 times larger than the Earth? Jupiter Mercury Venus Uranus Show Correct Option Jupiter How does heat pass through vacuum? By conduction By convection By radiation Show Correct Option By radiation Why is the water heating coil placed near bottom of kettle? Water is a good conductor Hot water rises up Water is good radiator Show Correct Option Hot water rises up From which surface does the heat radiate quickly? From black surface rom red surface From silver surface Show Correct Option From black surface Sun heats the doorknob, which method of heat transfer contributes to heat the inside doorknob? By conduction By convection By radiation Show Correct Option By conduction The image formed by a convex mirror la always: Real Virtual None of the two Show Correct Option Virtual The ray of light passing through the C of concave mirror: Retraces Its path Absorbed in the mirror Becomes parallel to the principal axis Ans Show Correct Option Retraces Its path Which one is a metalloid? Iron Boron Aluminium Show Correct Option Boron Facebook Twitter
