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Ques) A block is projected up aplne at 30° to the horizontal. It returns to it's starting point with 1/3 rd of it's initial velocity. Calculate the coefficient of kinetic friction b/w the block and the plane. ...

MeoC[CH3]3 reacts with conc.hi product?/ ...

Integrate ex2 ...

Which pair will show common ion effect ?? A. BaCl2 and Ba(NO3)2 B. NaCl + HCl C. NH4OH + NH4Cl D. AgCN + KCN ...

*Image* the height of man is H........................so the minimum height of mirror is H/2..............BUT HOW DO WE KNOW THAT LIGHT FROM KNEE AND HEAD REACHES OUR EYE????????/ ...

what is chromatic aberration??????? ...

COULD YOU PLEASE TELL ME SOMETHING ABOUT LIGAND, I ALSO WANNA KNOW ABOUT JOHN TELLER EFFECT. ...

If p,q are the perpendicular distances from the origin to the lines xsecα+ycosecα = a and xcosα - ysinα = acos2α respectively then show that 4p2 + q2 = a2 ...

A 1 kg block of wood sits on the top of an identical block of wood, ehich sits on the top of a flat level table made of plastic. The coefficient of static friction b/w the wooden surfaces is @1, and the coefficient of static ...

If p is the perpendicular distance of the line x/a + y/b =1 from the origin , show that 1/p2 = 1/a2 + 1/b2 ...

happy birthday dear sky [33] tiit 's angel ......wishing u many more....... ...

If f(x)=sin x + a2x + b is an increasing fn. for all values of x,then -- A. a ε (-∞,-1) U (1,∞) B. a ε (0,∞) C. a ε (-1,1) D. none of these ...

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all alcohols which on oxidation form methyl ketone give +ve iodoform test ...

*Image* This question is quite easy,but i have a confusion in finding out which is the major product and which is minor! THANKS IN ADVANCE!!! ...

Q.2The percentage of p-character in the orbitals forming P--P bonds in P4 is------ (a)25 (b)33( c)50 (d)75 % ...

Plz tell me how 2 access the assnmnts??????????? ...

Try proving Lagrange's mean value theorem. ...

Let N=2+22+222+...............upto 30000 terms Then find last four digits of N ...

Ques1) Find the sum of the series 1/9 + 1/18 + 1/30 + 1/45 + 1/63 + ..... (a) 1/3 (b) 1/4 (c) 1/5 (d) 2/3 Ques2) There exisits positive integers A, B and C with no common factors greater than 1, such that A log200 5 +B log200 ...

Q. Let f be a function from the set of positive integers to the set of real numbers i.e. f:N→R, such that, (i) f(1)=1 (ii) f(1)+2f(2)+3f(3)+...+nf(n)=n(n+1)f(n) for n≥2, then the value of 1/f(1004) is _________ ...

*Image* Give reason for the following In Cannizaro reaction , presence of electron withdrawing group ('R') increases the rate of reaction ...

if z= x+iy then ans the following questions,z is the conjugate of z 1.what will be argument of (z+z/2) 2. what will be the aurgument of (z - z/2) ...

sqrt[tan x]dx ...

IIT-JEE Preparation Guide [url]http://professional-education.blogspot.com/2009/05/indian-institute-of-technology-joint.html[/url] ...

\int_{-2}^{2}{\frac{sin^2x}{[\frac{x}{\pi }]+0.5}}dx where [.] =GINT ...

If x1 and x2 are absicca of two points on the curve f(x)=x-x2 in the interval (0,1), then maximum value of expression (x1+x2)-(x12+x22) is ...

The number of critical pts of the function -- f(x)=|x-1||x-2| is _____. I got 2,but thats not the ans. ...

just tell me the answers Q1 Interval in which elx2-6x+8l increases ?? Q2 Range of tan (Ï€/4 cos2x) ...

what happens a) when sodium tertiary butoxide istreated with alcoholic KOH? b)chlorobenzene is heated with conc.H2SO4 ...