Question : In 1942, which one of the following was discovered by Enrico Fermi?
Option 1: Atomic Reactor
Option 2: Atom bomb
Option 3: Diode Bulb
Option 4: None of the options is correct
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Correct Answer: Atomic Reactor
Solution : The correct option is the Atomic Reactor.
An Italian-American physicist, Enrico Fermi developed Chicago Pile-1, the world's first Atomic reactor. Enrico Fermi and his team achieved the first controlled nuclear chain reaction as part of the Manhattan Project, a research and development project during World War II that produced the first nuclear weapons.
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Question : Which of the following scientists had discovered "the law of electric resistance"?
Option 1: Charles Coulomb
Option 2: George Simon Ohm
Option 3: Michael Faraday
Question : Select the option that expresses the given sentence in passive voice. No one immediately owned responsibility for the bomb attack.
Option 1: Responsibility for the bomb attack has not been owned by anyone immediately.
Option 2: Responsibility for the bomb attack was not owned by anyone immediately.
Option 3: Responsibility for the bomb attack was not owned by no one immediately.
Option 4: Responsibility for the bomb attack is not owned by anyone immediately.
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
Newton _____ the laws of gravitation.
Option 1: was discovered
Option 2: had discovered
Option 3: discovered
Option 4: discovering
Question : Which of the following controls the wind speed?
Option 1: Pressure gradient
Option 2: Rotation of Earth
Option 3: Insolation
Question : How many isotopes of hydrogen elements are there?
Option 1: 2
Option 2: 3
Option 3: 4
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