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|{:(,"List-I(Atom/Ions)",,"List-II(Elect...

`|{:(,"List-I(Atom/Ions)",,"List-II(Electron Affinity in eV/atom and consider that EA"=-Delta H_(e.g)")"),((P),F,(1),3.4),((Q),F^(+),(2),17.4),((R ),Cl,(3),13),((S),Cl^(+),(4),3.6):}|`
Code :

A

(A+B+C) is an integer

B

(A+B+C) is an integer

C

(8A+2C)is an integer

D

A,BC are integers

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A, B, C, D
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Four charges Q_(1), Q_(2), Q_(3) and Q_(4) oof same magnitude are fixed along the x axis at x=-2a, -a, +a and +2a , respectively. A positive charge q is placed on the positive y axis at a distance b gt 0 . Four options of the signs of these charges are given in List I. The direction of the forces on the charge q is given in List II. Match List I with List II and select the correct answer using the code given below the lists. {:(,"List-I",,,"List-II"),((P),Q_(1)","Q_(2)","Q_(3)","Q_(4) "all positive",,(1),+x),((Q),Q_(1)","Q_(2) " positive, "Q_(3)","Q_(4)" negative",,(2),-x),((R),Q_(1)","Q_(4)" positive ,"Q_(2)","Q_(3)" negative",,(3),+y),((S),Q_(1)","Q_(3)" positive , "Q_(2)","Q_(4)" negative",,(4),-y):}

The electronic configuration of an element is 1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(5),4s^(1) . This represents its :

Let R be the relation in the set {(1,2,3,4} given by R ={(1,2), (2,2), (1,1) (4,4),(1,3), (3,3), (3,2)}. Choose the correct answer.

Match List I with List II and select the correct answer using the codes given below the lists: {:(,"List I",,,"List II"),(P.,"Boltzmann constant",,1.,[ML^(2)T^(-1)]),(Q.,"Coefficient of viscosity",,2.,[ML^(-1)T^(-1)]),(R.,"Planck constant",,3.,[MLT^(-3)K^(-1)]),(S.,"Thermal conductivity",,4.,[ML^(2)T^(-2)K^(-1)]):}

If the mappings f and g are given be f = {(1,2),(3,5),(4,1)} and g = {(2,3),(5,1),(1,3)} , write fog .

Four combinations of two thin lenses are given in List I . The radius of curvature of all curved surfaces is r and the refractive index of all the lenses is 1.5 Match lens combinations in List I with their focal length in List II and select the correct answer using the code given below the lists. (A) (p) 2 r (B) (q) ( r)/(2) ( C) (r) - r (D) (s) r . Code :

List-I contains primary phenomenon related to light which are needed to explain various events and applications given in List-II {:(,"List-I",,"List-II",),((P),"Continuosly varying refractive index of medium",(1),"Looming",),((Q),"Dispersion of Light",(2),"Step index optical fibre.",),((R),"Total internal Reflection",(3),"Formation of Rainbow",),((S),"Scattering of Light",(4),"Blue colour of sky",):}

ALLEN -TEST PAPER-MATHS
  1. The value of | sum(r=0)^(10) cos ((rpi)/(3))|is

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  2. |{:(,"List-I(Species)",,"List-II(Spin only Magnetic Moment)"),((P),Mn^...

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  3. |{:(,"List-I(Atom/Ions)",,"List-II(Electron Affinity in eV/atom and co...

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  4. |{:(,"List-I(Orbitals)",,"List-II"),(,"(Approach axis is z-axis)",,"(T...

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  5. |{:(,"List-I",,"List-II"),((P),Na^(+)gt K^(+)gt Rb^(+),(1),"Ionic mobi...

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  6. If p, q, r are prime numbers such that p^(2)-q^(2)=r then which of the...

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  7. ABCD is a square and E is mid point of AD. If area of square is given ...

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  8. If x=7+sqrt(48) then which of the following quantities is rational ?

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  9. If x(1) and x(2) are the two values of x satisfying equation 3^((log(3...

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  10. If x^(3)+y^(3)+3xy=1 where x and y are to distinct real numbers then w...

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  11. Which of the following values of a and b will make a(sin^(6)theta+cos^...

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  12. Which of the following expression gives rational values ?

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  13. The equation has

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  14. A circumcircle is a circle which passes through all vertices of a tria...

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  15. A circumcircle is a circle which passes through all vertices of a tria...

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  16. If sec theta+tan theta=(1)/(2) The value of sec theta=

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  17. If sec theta+tan theta=(1)/(2) The value of tan theta =

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  18. If alpha and beta are roots of equation (log(3)x)^(2)-4(log(3)x)+2=0 t...

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  19. If alpha and beta are roots of equation (log(3)x)^(2)-4(log(3)x)+2=0 t...

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  20. Let f(x)=Sigma(i=1)^(n) (x-xi)^2, where xi are real coefficients , the...

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