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Please tell me which one of the following is the best to prepare for IIT-JEE (i) Bansal classes (ii) Resonance (iii) Fiitjee (iv) Brilliant Tutorials (v) Narayana Thanks in Advance Rahul Mishra....:P ...
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evaluate the limit: \lim_{x\rightarrow \propto } \frac{x^{2}(1+sin^{2}x)}{(x+sinx)^{2}} ...
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evaluate the limit: \lim_{x\rightarrow \propto } \frac{x^{2}(1+sin^{2}x)}{(x+sinx)^{2}} ...
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NH2 l CH3-C=NH or (CH3)2NH NH2 group is attached to C Which is more basic and why? ...
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the conditions for a good leaving group are given as 1. It should polarize the bond which connects it to the carbon so that the carbon has some positive charge, making it more reactive towards the nucleophile; i.e., it should ...
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the conditions for a good leaving group are given as 1. It should polarize the bond which connects it to the carbon so that the carbon has some positive charge, making it more reactive towards the nucleophile; i.e., it should ...
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the conditions for a good leaving group are given as 1. It should polarize the bond which connects it to the carbon so that the carbon has some positive charge, making it more reactive towards the nucleophile; i.e., it should ...
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let z , w be complex nos. such that z + i ( conjugate of w ) = 0 and zw = pi . Then find arg z.. ...
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find the solution set for z given that, |z+a| + |z-a| = |a| where a = real number ...
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1. If x,y and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0. Then, x + y + z = (A) -12 (B) 0 (C) 8 (D) 12 Please do show the steps..! ...
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$Find value of $x$ that satisfy the equation $x^{\lfloor \ x\rfloor}=\frac{9}{2}$\\\\ Where $\lfloor x \rfloor $= G.I.F=greatest integer function. ...
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$Find value of $x$ that satisfy the equation $x^{\lfloor \ x\rfloor}=\frac{9}{2}$\\\\ Where $\lfloor x \rfloor $= G.I.F=greatest integer function. ...
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Let " a " and " b " be real numbers in the interval [ 0 , Î / 2 ] . Then for how many integral valued pairs of " a " and " b " must be there who satisfy .......... sin 6 ( a ) + 3 sin 2 ( a ) cos 2 ( b ) + cos 6 ( b ) = 1 Not ...
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Let " a " and " b " be real numbers in the interval [ 0 , Î / 2 ] . Then for how many integral valued pairs of " a " and " b " must be there who satisfy .......... sin 6 ( a ) + 3 sin 2 ( a ) cos 2 ( b ) + cos 6 ( b ) = 1 Not ...
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2007 IIT-JEE question Q- A spherical portion has been removed from non-conducting solid sphere having charge uniformly distributed in its volume as shown in the figure.The electric field inside the emptied space is (A) zero e ...
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Figure below shows six concentric conducting spheres A,B,C,D,E and F with radii R,2R,3R,4R,5R and 6R respectively.Conducting spheres B and C & D and E are connected using conducting wires as shown in figure.Find the equivalen ...
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1- electric fld between plates of parallel capacitor is 2.and charg on two plates are 10 and 3?find force on 1 of plate??? 2-a dipole is placed parallel to x-axis and having coordinate (x,y)...and electric field is non unifor ...
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Figure below shows six concentric conducting spheres A,B,C,D,E and F with radii R,2R,3R,4R,5R and 6R respectively.Conducting spheres B and C & D and E are connected using conducting wires as shown in figure.Find the equivalen ...
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Ques- Find all complex numbers 'z' which satisfy: 4z^{2} + 8\left|z \right|^{2}=8 Ques- Find all complex numbers 'z' which satisfy z3 = conjugate of 'z' ...
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which of the following two are chiral molecules. mark all the asymmetric carbons in both. 1. *Image* 2. *Image* ...
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can somebody explain me how are these redistributions in the capacitors done for eg *Image* is redistributed as *Image* similar redistribution is done when dielectrics are made in series. what is the concept behind this redis ...
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Q- how many coulombs of charge is present on 1-g N-3 ion ? ...
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What is the n-factor of H2O2 in the reaction : 2H2O2 → 2H2O + O2 Please explain ...
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Q1 A solid sphere has a very small cavity at its center (volume of cavity→0).This cavity contains a source of electric field which varies as E(x) = k/x5 + k'/x3 (where 'x' = radial distance from the center & k,k' are positi ...
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Q-1 A point charge q is located a distance d from an infinite plane. Determine the electric flux through the plane due to the point charge. Q-2 A point charge q is located a very small distance from the center of a very large ...
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Q-1 A point charge q is located a distance d from an infinite plane. Determine the electric flux through the plane due to the point charge. Q-2 A point charge q is located a very small distance from the center of a very large ...
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balance the reactions: (i) SO2 + Na2CrO4 + H2SO4 → Na2SO4 + Cr2(SO4)3 +H2O (ii) C2H5OH + I2 + OH- → CHI3 + HCO2- + H2O + I- I am facing the same problem in both the reactions for eg taking (i) reaction step I S4+ → S6+ ...
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balance the reactions: (i) SO2 + Na2CrO4 + H2SO4 → Na2SO4 + Cr2(SO4)3 +H2O (ii) C2H5OH + I2 + OH- → CHI3 + HCO2- + H2O + I- I am facing the same problem in both the reactions for eg taking (i) reaction step I S4+ → S6+ ...
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what is the oxidation state and no. of unpaired electrons of Fe in [Fe(H2O)5NO]SO4 the answer for oxidation state is given +1 and no. of unpaired electrons is given 3 how can these both be simultaneously true no of unpaired e ...
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Sum to 'n' terms 1/(1 - x)(1 - x3) + x2/(1 - x3)(1 - x5) + x4/(1 - x5)(1 - x7) + .......... also find Sum if 'n' = ∞ , given that |x|<1 ...
