IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: What is the defining right of a representative democracy? 2486 0

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    the right to vote
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    the right to freedom of speech
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    the right to petition the government
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    the right to freedom of religion
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उत्तर : 1. "the right to vote"
व्याख्या :

Answer: A) the right to vote Explanation: The defining right of a representative democracy is the ability to vote for representatives to make decisions on their behalf.   In democratic government, elections are held regularly, in which voters vote for someone who will serve in the levels of local, state, and federal government.

प्र: Which word in the dictionary is spelled incorrectly? 1634 0

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उत्तर :
व्याख्या :

Incorrectly is the only word which is spelled incorrectly in the dictionary.

प्र: What does the Aufbau Principle state 1507 0

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    Electrons will be added to an atom starting from the lowest possible level or sublevel.
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    Electrons will be added to an atom only if the orbitals are different colors.
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    Electrons will be added to an atom in a random order.
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    Electrons will be added to an atom in a symmetrical manner.
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उत्तर : 1. "Electrons will be added to an atom starting from the lowest possible level or sublevel."
व्याख्या :

Answer: A) Electrons will be added to an atom starting from the lowest possible level or sublevel. Explanation: The Aufbau Principle states that in the ground state of an atom, an electron enters the orbital with lowest energy first and subsequent electrons are fed in the order of increasing energies.

प्र: What belongs to you but is used more by others? 1167 0

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    Clothes
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    Cosmetics
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    Shoes
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    Name
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उत्तर : 4. "Name"
व्याख्या :

Answer: D) Name Explanation: Yep! It's your NAME that belongs to you but is used more by others than you.

प्र: Who won the US Open 2018? 1414 0

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    Brooks Koepka
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    Tommy Fleetwood
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    T. Finau
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    D. Johnson
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उत्तर : 1. "Brooks Koepka"
व्याख्या :

Answer: A) Brooks Koepka Explanation: Brooks Koepka shot a final round 68 for 281 (+1) to win his second straight U.S. Open, one stroke ahead of runner-up Tommy Fleetwood, who closed with the sixth round of 63 in U.S. Open history.

प्र: In a vacuum, all electromagnetic waves have the same 1385 0

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    Velocity
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    Wavelenth
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    Frequency
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    All the above
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उत्तर : 1. "Velocity"
व्याख्या :

Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.

प्र: Why did charles babbage invent the computer? 1440 0

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उत्तर :
व्याख्या :

Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

प्र: The more you take away the larger it becomes. What is that? 1133 0

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उत्तर :
व्याख्या :

A Hole. When you are digging a hole the more you take out the soil, the igger the hole becomes.

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