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JEE Advanced Mix Test 68
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JEE Advanced Mix Test 68
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  • Question 1/10
    4 / -1

    In the circuit shown C1 = 2C2. Switch S is closed at time t = 0. Let i1 & i2 be the current flowing through C1 and C2 at any time t, then the ratio I1/I2

    Solutions

     

  • Question 2/10
    4 / -1

    The capacitor of an oscillatory circuit of frequency 104Hz is enclosed in a container. When the container is evacuated, the frequency changes by 50 Hz, the dielectric constant of the gas is

    Solutions

     

  • Question 3/10
    4 / -1

    A current carrying wire is placed in the grooves of an insulating semicircular disc of radius ‘R’ as shown. The current enters atpoint A and leaves point B. Determine the magnetic field at point D.

    Solutions

     

  • Question 4/10
    4 / -1

    The organ pipes, both closed at one end, have lengths ℓ and ( ℓ + Δ ℓ) vibrates in fundamental mode. Neglect end correction. If the velocity of sound in air is v, then the number of beats/sec is (assume Δ ℓ << ℓ)

    Solutions

     

  • Question 5/10
    4 / -1

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  • Question 6/10
    4 / -1

    Which one of the following reaction is not possible:-

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  • Question 7/10
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    (I) Co(CO)6

    (II) Co(CO)5NH3

    (III) Co(CO)4(NH3)2

    (IV) Co(CO)3(NH3)3

    (V) Co(CO)2(NH3)4

    (VI) Co(CO)(NH3)5

    Which statement is correct for these compounds?

    Solutions

    Synergic bonding.

     

  • Question 8/10
    4 / -1

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  • Question 9/10
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  • Question 10/10
    4 / -1

    If a bag contains five balls. Two balls are drawn and are found to be white. What is the probabilitythat all the balls are white?

    Solutions

    Here two balls are drawn and the result is known that the two balls are white, therefore Bayes’s theorem should be used.

    Required probability

     

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