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i m repeating for JEE 2011. Please help me with the following points 1] Regarding coaching classes a] shud i join a regular 1 yr coaching class for droppers? if yes wich one ? pace/vidyarthi/fiitjee/resonance/vibrant/BT/etc e ...

a heat conducting piston can freely move inside a closed thermally insulated cylinder with an ideal gas. in equilibrium the piston divides the cylinder into 2 equal parts , the gat Temp. being equal to T0 . the piston is slow ...

due to lack of QOD's i had started googly from ATGS ... now that we are getting ample number of QOD's and no Graph of the day's i start this trend now :P:P Draw the graph of: y=|[x]|{x} the first graph is always easy :D ...

Find Minimum value of (s+5 - 3|cost|)2 +(s - 2|sint|)2= ...

1) Calculate the molarity and molality of 20% aqueous of ethanol soln by volume (density of the soln=0.960g per cm3) 2) Calculate the volume of 80% H2SO4 (density=1.80g/cc) required to prepare 1L of 20% H2SO4 (density=1.25g/c ...

All of u know that Lim (Sin x)/x = 1 x→0 What will be the value of the exp if x → ∞ ...

*Image* PLEASE EXPLAIN THE APPROACH CLEARLY ...

how to add a free chatbox to my signature?? ...

Show that in any set of eleven integers there are six whose sum is divisible by 6 . ...

Evaluate \int_{-1}^1\dfrac{\ln(13-6x)}{\sqrt{1-x^2}}\ \mathrm dx ...

A glass bulb contains 2.24 L of H2 and 1.12 l of D2 at STP. It is connected to a fully evacuated bulb by a stopcock with a small opening. The stop cock is opend for sometime and then closed. The first bulb now contains .10 g ...

11 moles N2 and 12 moles of H2 mixture reacted in 20 litre vessel at 800K. After equilibrium was reached, 6 moles of H2 was present. 3.58 litre of liquid water is injected in equilibrium mixture and resultant gaseous mixture ...

find : \frac{29\int_{0}^{1}{\left(1-x^4 \right)^{7}}\mathrm{dx}}{4\int_{0}^{1}{\left(1-x^4 \right)^{6}}\mathrm{dx}} ...

why ethanoyl chloride and ethanamide do nt show iodoform test? ...

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Say, in phenol, if nitration is carried out, the OH group activates the ring at 3 places. 2 ortho and 1 para. So, why does 47 % ortho nitro phenol form instead of 2/3, ie., 66% ? ...

1. Two rods of lengths a and b side along coordinate axis in a manner that their ends are always concyclic. Find the locus of the centre of the circle passing throw these ends. 2.The base of a triangle passes throw a fixed po ...

Q) 2.6g sample of pyrolusite was boiled with 65ml of N oxalic acid and excess of dil. H2SO4. The liquid was then filtered and the residue washed. The filtrate and the washing were mixed and made upto 500ml. 100ml of this soln ...

*Image* Explain the approach,no need to solve. ...

Call Mr. Analyst Total Students Appeared: 258 Average Marks: -4.88 Maximum Marks: 999.99 Your Marks: 10 Your Percentile Rank: 100.00 ...

find the sum of the roots of the eqn. dy/dx=0, where y=(x8+7x6+5x5+ 3x4+2x2+1)(3x3+x+3) ...

if α, β, γ are connected by the relation 2 tan2α tan2β tan2γ + tan2α tan2β + tan2β tan2γ +tan2γ tan2α =1, then the value of cos2α +cos2β +cos2γ is ________ answer: 1 ...

*Image* *Image* Prove it from both Sides : 1. Co ordinate Geometry 2 . Euclidean Geometry (Normal Geometry) Separately ...

\lim_{x\rightarrow \infty}\left(\frac{(1+x)^x}{x^x\times e} \right)^x Source:AOPS ...

Van der Waals constants for neon and hydrogen are (a1, b1) and (a2, b2) respectively. The maximum number of moles of Neon which will form a homogeneous mixture with n2 moles of hydrogen at 25°C and constant pressure P is: 1. ...

A point charge q moves from point P to point S along the path PQRS in uniform electric field E pointing parallel to the positive direction of the axis. The coordinates of the points P,Q,R,S are (a,b,0); (2a,0,0); (a,-b,0); an ...

if sin β=1/5 sin(2α+β) show that tan(α+β)=3/2 tan α ...

Post the links of the good threads in tiit , which u feel shud be added to the CLASSICS tab , so that it benefits evryone. ...

Q.1. A man uses a concave mirror for shaving.He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged.Find the focal length of the mirror. Q.2.Find the diameter of the image of th ...

Q.1. A man uses a concave mirror for shaving.He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged.Find the focal length of the mirror. Q.2.Find the diameter of the image of th ...