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JEE Advanced Mi...

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  • Question 1
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    A massive disc of radius R is mounted on a light axle with the axle held horizontal, the disc is made to spin with angular speed ω0. It is then lowered gently on to a level table and released as soon as its rim makes contact with the table top. The disc begins to move along the table, skidding and picking up speed as it goes.

    If μk is the coefficient of kinetic friction between the rim of the disc and table top, disc will continue to skid for a time

  • Question 2
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    A massive disc of radius R is mounted on a light axle with the axle held horizontal, the disc is made to spin with angular speed ω0. It is then lowered gently on to a level table and released as soon as its rim makes contact with the table top. The disc begins to move along the table, skidding and picking up speed as it goes. If initial kinetic energy of the disc is K, then the kinetic energy of the disc after it stars pure rolling will be

  • Question 3
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    Directions For Questions

    A uniform ring of mass m and radius R can rotate freely about an axis passing through centre C and perpendicular to plane of paper. Half of ring is positively charge and other half is negatively charge. Uniform electric field E0 is switched on along –ve x-axis (Axis are shown in figure) [magnitude of charge density λ]

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    The dipole moment of ring is

  • Question 4
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    Compound A and B, both were treated with NaOH , producing a single compound C:

  • Question 5
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  • Question 6
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    20 mL of KOH solution was titrated with 0.20 mol L-1 H2SO4 solution in a conductively cell. The data obtained were plotted to give the graph shown below:

  • Question 7
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    Directions For Questions

    The Ellingham diagram for the reduction of haematite and that of cuprous oxide given below;

    On the basis of the above plot, answer the following two questions:

    ...view full instructions

    Choose the incorrect statement

  • Question 8
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  • Question 9
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    A number is selected at random from the set of natural numbers. The probability that the sum of the digits of its square is 39 is

  • Question 10
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