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JEE Main Test 144
Result
JEE Main Test 144

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  • Question 1/10
    4 / -1

    The general solution of the differential equation

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  • Question 2/10
    4 / -1

    If sound travelling at 340 ms-1 enters water where its speed becomes 1480 ms-1, then critical angle for total internal reflection is

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  • Question 3/10
    4 / -1

    The vectors a and b are not perpendicular and c and d are two vectors satisfying b × c = b × d and a ∙ d = 0. Then, the vector d is equal to

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  • Question 4/10
    4 / -1

    The line joining points (1, 1, 2) and (3, -2, 1) meets the plane 3x + 2y + z = 6 at the point

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  • Question 5/10
    4 / -1

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  • Question 6/10
    4 / -1

    The current gain of a transistor in common-base mode is 0.995. The current gain of the same transistor in common emitter mode is

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  • Question 7/10
    4 / -1

    Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls. Out of these two boxes one is selected at random and the probability of choosing box A is double that of box B. If a red ball is drawn from the selected box, then the probability that it has come from box B, is

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  • Question 8/10
    4 / -1

    Two cards are drawn successively with replacement from a well shuffled deck of 52 cards, then the mean of the number of aces is

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  • Question 9/10
    4 / -1

    In a radioactive disintegration, the ratio of initial number of atoms to the number of atoms present at an instant of time equal to its mean life is

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  • Question 10/10
    4 / -1

    Two protons are kept at a separation of 40Å. Fn is the nuclear force and Fe is the electrostatic force between them. Then,

    Solutions

     

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