v31

A

3

B

5

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2

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4

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The square root of the complex number z =(u^(2))/(v^(2))+(v^(2))/(u^(2))+(1)/(2i)((u)/(v)+(v)/(u))+(31)/(16) is

A capacitor with capacitance C=1.0 muF and a coil with active resitance R=0.10 Omega and inductance L=1.0 m H are connected in parallel to a source of sinusoidal voltage V=31 V . Find : (a) the frequency omega at which the resonance sets in , (b) the effective value of the fed current in resonance , as well as the corresponding currents flowing through the coil and through the capacitor.

1 mole heptane (V.P = 92 mm of Hg) is mixed with 4 mol. Octane (V.P = 31 mm of Hg) , form an ideal solution. Find out the vapour pressure of solution.

A particle is moving along a vertical circle of radius R=20 m with a constant speed v=31.4 m//s as shown in the figure. Straight line ABC is horizontal and passes through the centre of the circle. A shell is fired from point A at the instant when particle is at C . The distance AB is 20sqrt(3)m and shell collides with the particle at B , if smallest possible value of the angle of projection is k xx 10^(@) then find the value of k .

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The reduction potential of the two half cell reactions (occuring in an electrochemical cell) are PbSO_(4)+ 2e^(-)rarrPb+SO_(4)^(2-) (E^(@)=-0.31V) Ag^(+)(aq)+e^(-)rarrAg(s)(E^(@)=+0.80V) The fessible reaction will be

The reduction potential of the two half cell reaction (occurring in an electrochemical cell) are PbSO_(4)(s)+2e^(-)rarrPb(s)+SO_(4)^(2-)(aq)(E^(@)=-0.31V) Ag^(+)(aq)+e^(-)rarrAg(s)(E^(@)=0.80V) The feasible reaction will be

MCGROW HILL PUBLICATION-PROBABILITY-Previous Years AIEEE/JEE Main Papers
  1. Given two independent events, if the probability that exactly one of t...

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  2. If the events A and B are mutually exclusive events such that P(A) = (...

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  3. v31

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  4. A, B, C try to hit a target simultaneously but independently. Their re...

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  5. Let A and B be two events such that P (bar(AuuB))=1/6, P(AnnB)=1/4and ...

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  6. If A and B are two events such that P(A uu B)=P(A nn B), then the inco...

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  7. If X has a binomial distribution, B(n, p) with parameters n and p such...

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  8. A number x is chosen at random from the set {1,2,3,4, ………., 100}. Defi...

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  9. Let A ans B be any two events with positive probabilities Statement ...

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  10. A set 'S' contains 7 elements. A non-empty subset A of S and an elem...

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  11. Let x be set containing 10 elements and p(x) be its power set. If A an...

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  12. If the lengths of the sides of a triangle are decided by the three thr...

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  13. If the mean and the variance of a binomial variable X are 2 and 1 resp...

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  14. Let two fair six-faced dice A and B be thrown simultaneously. If E1 is...

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  15. If A and B are any two events such that P(A)=2/5 and P(AnnB)=3/20 then...

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  16. An experiment succeeds twice as often as it fails. Find the probabi...

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  17. A box contains 15 green and 10 yellow balls. If 10 balls are randomly ...

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  18. If two different numbers are taken from the set {0,1,2,3, ,10}; t...

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  19. For three events A ,B and C ,P (Exactly one of A or B occurs) =P (Exac...

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  20. From a group of 10 men and 5 women,four member committees are to be fo...

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