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Do you guys think I should add new sections for CBSE exam here *( English, Comp Science, Biology etc) here or do you think they should go to a seperate site targetcbse.com ?? ...

HN3+CH2=CH2+hν→??? ...

a metal ball falls vertically nd strikes plane inclined at an angle (theta) to d horizontal (theta <45). d ball rebounds horizontally. show dat d fraction (1-e) of d kinetic energy is lost during d impact if m is d mass nd ...

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does vinyl chloride give substitution reaction....???? give reason also..!! ...

Practice questions for SHM... Level=easy Q1 Dtermine the natural frequency of vibration of 100N disc.Assume it does not slip on inclined surface *Image* Q2The disc has weight=100N and rols without slipping on horz surface as ...

which is most stable *Image* ...

Organic compound A having formula C18H20O undergoes ozonolysis gives B & C of formula C10H12O and C has C8H8O2, B gives iodoform test positive and produces an oxime D of formula C10H13Ocompound D on treatment with PCL5/ether ...

im interested in studying aeronautical engineering.ive heard anna university is good but in their website i couldnt understand the admission procedure.could u pls help me out n suggest name of good institutes for studying it. ...

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Sir I want to buy an advanced book for reference in organic. My tuition teacher has suggested that I read one after studying from bahl n bahl and school books. I have found out about 2 books which meet my requirements---Peter ...

∫0∞xeaxdx(limits from 0 to ifinity) ...

You want to cool the kitchen by leaving the refrigerator door open. How well will it work? ...

why only Mg and Mn give H2 with cold n dil HNO3?? ...

Determine all the positive roots of x^{x}=\frac{1}{\sqrt{2}} ...

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\int_{0}^{1}\frac{dx}{2+\sqrt{1-x}+\sqrt{1+x}} Solve :) ...

by 2011 the iitjee minimum marks for entry will be 80% as told by KAPIL sibbal i am going to give exam in 2011 post ur comments here about this topic ...

I am contemplating removing the user count of pinked posts... Shamefully what is happening is that many many users here are worrried about the number of pinked posts that they can garner and not the number of things they have ...

Find the ratio of the minimum and maximum of the resultant that can be found by two vectors of magnitude 4 and 6 ...

The minute hand of a church clock is twice as long as the hour hand. At what time after midnight does the end of the minute hand move away from the end of the hour hand at the fastest rate? ...

2 candidates contested for an election, A & B. A got a votes, while B got b. Given a>b, find probability that A was ahead of B - throughout the competition..... SHOULD IT NOT BE JUST 1/2 ?????????????? ...

xx =2 . solve ...

A wind power generator converts wind energy into electrical energy. Assume that the generator converts a fixed fraction of wind energy intercepted by its blades into electrical energy.For wind speed v,the electrical power out ...

in chemical equilibrium,in le chatelier principle,there is a forward reaction (N2+3H2=2NH3).There is written that (by the increasement of temparature,the production of amonia decreases).how does it happen? ...

in le chateliar principle,in a forward reaction,(N2+3H2=2NH3) is written that (by the increasement of pressure,the production of amonia also increases).How does it happen? ...

tell me which of the following statements are right?? (A)w.a=0 (B)aT.aC=0 (C)aT.a=0 (D)aC.a=0 ...

if x,y,z are real numbers satisfying the relations \[ x+y+z = 1\quad\textrm{and}\quad\arctan x+\arctan y+\arctan z =\frac{\pi}{4}, \] prove that $ x^{2n+1}+y^{2n+1}+z^{2n+1}= 1 $ holds true for all positive integers n . ...

what will be the shape of image if circle of radius 10cm with its centre at 30cm from pole of mirror of radius of curvature 40cm? *Image* ...

*Image* an object is placed in medium 1 of refractive index n1 and height h1,above that there is another medium of the refractive index n2and height h2. and( n2>n1). and there is air around them i.e. above medium 1 nd belo ...