Recently Active Questions

Why are phenols stronger acid than water? ...

Transverse waves can be propagated only in solids.Then , why waves in an ocean are a combination of longitudinal and transverse waves? ...

An effervescent tablet is dropped in water. Determine its size as a function of time. source:ORTVAY RUDOLF PROBLEM SOLVING COMPETITION IN PHYSICS 1997 ...

On a bookcase there are n ≥ 3 books side by side by different authors. A librarian considers the first and second book from left and exchanges them iff they are not alphabetically sorted. Then he is doing the same operation ...

*Image* wat is difference in two cases..............why in one case we take tension on two sides as same and y in other as different on two sides>??????????? ...

is i i real or imaginary ? ...

*Image* prove that the tension in the two parts of the string are equal!!!!!! ...

\frac{4y^{2}}{4y^{2}+1}=z \frac{4z^{2}}{4z^{2}+1}=x \frac{4x^{2}}{4x^{2}+1}=y ...

*Image* solve the 3.20 ...

If two bulbs of 25 W and 100 W are rated @ 200V are connected in series across a 440 V supply then-- A. 100 W bulb will fuse B. 25 W bulb will fuse C. none of the bulb will fuse D. both the bulbs will fuse Pls show working. ...

Its just to find the eqn of this....in rest *Image* ...

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what is the electrostatic potential at a distance r from the center of a charged metallic sphere of radius R(r<R).................Plz show thw graph of potential with distance also. ...

Prove that 2x+3y and 9x+5y are divisible by 17 for the same set of integers x,y (A bit easy, so plz give newcomers some time to have a go) ...

one of my frends got a rank 92227 in aieee wat r institutes he may get.... opening and closin ranks on the aieee website donot hav colleges at such ranks but i hav ppl get admission at ranks arnd 100000 too... plz help sugges ...

i m gettin CS at both the places ,,,,, bits pilani campus and dce/nsit where shud i be takin it i don hav delhi as a preference. i wont mind goin 2 pilani i jus wanna noe which is a bttr option and y ? most probably i ll drop ...

Camp for Freshmen... N boys studying physics and N girls studying liberal arts are sitting by the flickering campfire. Just by them are N, strictly coed tents (for two people each). Egon Quark has to arrange the sleeping orde ...

Plz explain Which of the following functions of time represent (a)simple harmonic (b) periodic but not simple harmonic and (c) non-periodic motion ? Give period for each case of periodic motion ( ω is any positive constant) ...

Hi everyone.....i require ur help abt DCE.....anyone who knows anything can plzz help me abt it...... I have got an overall rank of 609 and category rank of 566..... i'm unsure to get ECE in DCE....some say might get...... af ...

A pirate has buried his treasure on an island with five trees located at the following points: A(30.0 m,20.0 m), B(60.0 m, 80.0 m), C (10.0 m, 10.0 m), D(40.0 m, 30.0 m), and E(70.0 m, 60.0 m). All points are measured relativ ...

what is the 1000th term of the series 1,2,2,3,3,3,4,4,4,4... ...

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For equation, 3x2+px+3=0 ,p>0 ,if one of the root is square of the other 'p' is: a.1/3 b.1 c.3 d.2/3 ...

(x-1)2 + (y-2)2=32 && (x-5)2 - (y-6)2=-63 Find the circle of min. radius which cuts the curves orthogonally. This is quite a difficult problem !! ...

*Image* sorry, i forgot to put the benzene ring...... Is the name 3-Chloro-4-methylnitrobenzene or 2Chloro-1-methyl-4-nitrobenzene? ...

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the plates of a parallel plate capacitor are charged upto 100 v .a 2mm thick insulator sheet is inserted btn plates . to maintain same potential diff .the distance btn plates is in creased by 1.6mm. the dielectric constant of ...

what do u mean by sinusoidal function? ...

Plz explain "a swimmer completing one(return) trip from one bank of a river to the other and back " ............ Why is it not periodic? ...

i am finding it tough to remember the large no. of organic reactions and mechanisms.................Plz help ...