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Three rods of same material AB,BC,CA of equal length and their area of cross-section in the ratio 1:2:4 respectively have been arranged in the form of an equilateral triangle.If A and C are maintained at diff. temperatures,th ...

if α lies in the fourth quadrant and cosα=3/7 find the values of sinα/2 and cosα/2 ? ...

A. Acceleration of particle is zero B. Acceleration of particle is uniform C. Acceleration of particle is non-uniform D. Acceleration of particle is directly proportional to t *Image* 1 . V vs X 2. V2 vs X 3.X vs T 4.V vs T ...

Q1 Find out volume strength of H2O2 to eb added (V=1L) in an incomplete titration mixture of NaHC2O4 with NaOH.If mixture has ben prepared by mixing 500g of NaHC2O4 in 2L,0.5M NaOH.Assume H2O2 is st. reducing agent Q2 Solid N ...

Drops of mercury of charge Q and mass M fall into a spherical vessel of radius 1m from a height of 4R from the base. Find the no. of drops that will enter the sphere. Use- 9Q2/Mg = 109 Edit: *Image* ...

Sally is thinking of a 6-digit number. The sum of the digits is 43. And only two of the following three statements about the number are true: (1) it's a square number. (2) it's a cube number, and (3) the number is under 50000 ...

if m, n ,p are positive integers satisfying mnp.npm.pmn=3mnp find value of m+n+p ...

CH3-CO-CH2-CH2-CH2-CO-CH3 + OH- + Δ → ? ...

*Image* ...

can anyone explain more clearly ,with some diagram if possible ,what metal is saying here..............http://targetiit.com/iit-jee-forum/posts/my-electrostatics-12089.html ...

A copper and a tungsten plate having a thickness of 2 mm each are riveted together at 00C to form a bimetallic strip. Find the average radius of curvature of this plate at 2000C The coefficients of linear expansion for copper ...

all these are backlogs... \int \frac{dx}{(1+x^4)^{1/4}} ...

p*q*r*s = 210 find number of solutions. is d answer 24 or 256????plz post wid logic!! ...

i odnt know abt u but i was wondering why a wire dod not produce electirc field . obviulsy such a question itself seemed absurd from a logical standpoint.... but i was looking for a deepr answwer and eventually managed to fin ...

1) f(x)=max{1+x, 1-x} find the number of solutions of f(x)=tanx in [0,2Ï€] 2) The number of solutions of the equations 3y=[sinx+[sinx+[sinx]]] & [y+[y]]=2cosx is ...

What is the number of points of intersection of sin x and sin (sin x) in the interval [0, 2 pi] ...

STATEMENT-1 : Simplest formula of a CCP unit cell of Buckminster fullerenes in which all the T-voids and O-voids are occupied by K is K3C60. and STATEMENT-2 : Simplest formula is KC20. 1. Statement-1 is True, Statement-2 is T ...

Q1 *Image* i dont have the answer with me...so please post the solution... ...

a gas is cotained in a metallic cylinder fitted with a psiton. the piston is suddenly compressesd and is maintianed at this postion as time passses the pressure of the gas inside the cyliner increaese decrease remains the sam ...

A hemispherical bowl of radius R is rotated about its axis of symmetry which is kept vertical. A small block is kept at a position where the radius makes an angle ∂ with the vertical. The block rotates with the bowl without ...

Not at all my doubt Find total no. of positive integral solutions of xyz = 23.34.51 ...

Q1. (x+4)(x+7)(x+8)(x+11) + 20 = 0 ...

A straight line intersects equilateral triangle of unit length,dividing it into two parts S1 and S2 having equal perimeter having area A1 and A2.FIND max value of(A1/A2) AND min value of (A1/A2). ...

these all are not my dbts...just encountered tehse reactions here and there...I will continue posting more when I find them... WARNING:These questions are a lot above regular Jee level...so don't try them if u r not good enuf ...

The number of ways in which a set A where n(A) = 12 can be partitioned in three subsets P,Q,R each of 4 elements subject to the following conditions (i) P U Q U R = A (ii) P ∩ Q = φ (iii) Q ∩ R = φ (iv) R ∩ P = φ is ...

For a sufficiently large value of n the sum of the square roots of the first n positive integers is approximately equal to? ...

If P = n(n2 - 12)(n2 - 22)(n2 - 32)...(n2 - r2), n > r, n N, then P is divisible by 1. (2r + 2)! 2. (2r - 1)! 3.(2r + 1)! 4.(2r - 2)! ...

sin (sin {x}) ...

The figure here shows a 3 x 3 grid. As you can see each cell can have maximum four walls. What is maximum number of walls that a N x N grid can have? This 3 x 3 grid has 24 walls. *Image* ...

2ZnCL2 + K4[Fe(CN)6J —, Zn2[Fe(CN)6] + 4KCL I had this doubt becoz Zn is lower than K in reactivity series ...