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JEE Advanced Mi...

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  • Question 1
    4 / -1

    A small ball thrown with an initial velocity μ directed at an angle θ = 37° above the horizontal collides inelastically (e = 1/4) with a vertical massive wall moving with a uniform horizontal velocity u/5 towards ball. After collision with the wall, the ball returns to the point from where it was thrown. Neglect friction between ball and wall. The time t from beginning of motion of the ball till the moment of its impact with the wall is (tan37° = 3/4)

  • Question 2
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    A cube of side l and mass M is placed on rough horizontal surface and the friction is sufficient so that it will not move, if a constant force F = Mg is applied horizontally l/4 above the surface. Then the torque due to normal force about center of the cube is equal to

  • Question 3
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    A particle of charge q and mass m is projected with a velocity v0 towards a circular region having uniform magnetic field B perpendicular and into the plane of paper from point P as shown in the figure. R is the radius and O is the centre of the circular region. If the line OP makes an angle θ with the direction of v0 then the value of v0 so that particle passes through O is

  • Question 4
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    A ray of light from a liquid ( μ = √3 ) is incident on a system of two right angled prism of refractive indices √3 and √2 as shown. The ray suffers zero deviation when emerges into air from CD. The angle of incidence i is

  • Question 5
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    The formula of the following chain silicate (pyroxene) can be represented as

  • Question 6
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     is a first order reaction. If A is strong mono protic acid and B is strong diprotic acid and reaction kinetic is studied by using a standard solution of NaOH required toneutralise reaction mixture at different instants of time. When initially we had taken sameconcentration of A in each case.Now it was observer that volume required after 971 sec was double that required initially, then thehalf life of reaction is:

  • Question 7
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    Reduction potentials of some ions are given below. Arrange them in decreasing order of oxidizing power.

  • Question 8
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  • Question 9
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    Area of the region bounded by the curve y=1/x + 1 , the tangent at P (2, 3/2) and the line x = 1 is

  • Question 10
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