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Inventions

Inventions Who is credited with inventing the light bulb? Which invention is Alexander Graham Bell known for? Who is credited with inventing the first practical airplane? What did Tim Berners-Lee invent? Which inventor is known for developing the steam engine? Who invented the phonograph? The invention of the cotton gin is attributed to which inventor?…

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Physics

Physics Which of the following is a vector quantity? Which of the following is the unit of force? What is the acceleration due to gravity on the surface of the Earth? Which of the following laws is also known as the law of inertia? Which of the following is the SI unit of work? What…

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Chemistry

Chemistry What is the chemical symbol for Gold? Which element is known as the “King of Chemicals”? What is the molecular formula for water? Which of the following is a noble gas? What is the pH value of pure water at 25°C? Who is known as the father of modern chemistry? What is the common…

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Computer

Computer Which of the following is the brain of the computer? What does RAM stand for? Which of the following is a non-volatile memory? Which of the following devices is used for permanent storage? What is the full form of HTML? Which of the following is an output device? What does URL stand for? Which…