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A bead is initially at rest at the top of a fixed frictionless hoop of radius R, which lies in a vertical plane. The bead is given a tiny kick so that it slides down and around the hoop. At what points on the hoop does the be ...

Which is Bronsted-Lowry acid as well as Arrhenius acid ? H2 , HCO3- , NH3 or NH2- ? Ans : HCO3- ...

An ellipse is described using an endless string which is passed over two pins.If the axes are 6 cm and 4 cm,the necessary length of the string and distance between them in cm are ??? Ans.6,2 5 ...

if the number A769B16 is divisible by 72 then ordered pair (A,B) is a.7,0 b.7,9 c.8,8 d.7,4 ...

*Image* (acidic/basic;cationic/anionic) *Image* *Image* *Image* *Image* ...

what is wheat stone bridge law?explain with an example ...

what is wheat stone bridge law?explain with an example ...

1-The point on the ellipse x2+2y2=6 closest to line x+y=7 is------ 2.Eccentricity of ellipse ax2+bx2+2fx+2gy+c=0,if major axis is parallel to -x axis is__ Ans. (b-a)/b 3.Tangents are drawn from the points on the line x-y-5=0, ...

Q1. When we take high concentration of strong base in a non-ionising solvent, bimolecular mechanism are favoured and predominant mechanism is (a) SN2 (b) E2 (c) AN1Ar (d) E1CB Q2. In the reaction 2-Bromopropane ------> (Na ...

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*Image* i thnik this one has been discussed here if it is soo plzz post the link below else plzz give me a lil hint to do this ...

*Image* Capacitance=C, charge in steady state on Capacitor is q. Find V. Should it not be q/v ??? Because steady state means potential of capacitor is same as ext. voltage.... ...

PLZ SOLVE If all the distinct roots of the equation x^{47}+2x^{46}+3x^{45}...........+24x^{24}+23x^{23}....................2x^2+x=0 are z_1,z_2.......z_k and imaginary part of z_k^2 is b_k Then find the value of \left|b_1 \ri ...

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*Image* Figure shows a YDSE set-up. The source (0,0) of wavelength 4000 A oscillates along y-axis according the the equation y=sin(pi)t where y is in millimetres and t is in seconds. The distance between two slits S1 and S2 i ...

I dont have answers for even a single question...so I request all for a healthy and fruitful discussion [1] *Image* ...

For each natural number k, let Ck denote the circle with radius k cm, and centre at the origin. On the circle Ck, a particle moves k cm in counterclockwise direction. After completing its motion on Ck, the particle moves to C ...

name the header files to which the following belong: a)abs() b)atoi() [whats that?] c)open() d)frexp() [whats that?] what are the probable type of questions from stacks and queues? plz reply as soon as possible!computer exam ...

KCET (Karnataka) : Can this common Entrance be attended by citizens of India residing outside Karnataka and who are not of the Karnataka origin ??? ...

if there are 2 containers A and B A-contains gases c n d B-contains gases c pressure in B is greater than A will th gas d move from A to B?? ...

Cos 2θ + 2cosθ is always 1) greater than -3/2 2) less than or equal to 3/2 3) greater than or equal to -3/2 4) none of these ...

2 . According to the kinetic theory of gases , an assumption is made that there are a large number of molecules in a perfect gas . However , real gases behave like ideal ones only at low temperatures . Don’t you think that ...

*Image* Ques 1) A,B, and C are the three particles of a medium whichn are equally seperated along the x-axis. When a sinusodial transverse wave of wavelength lambda propagates along x-axis, the following observations were mad ...

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How many litres of SO2 has to be passed through HClO3 to reduce 16.9 g of it to HCl.. Ans 13.44 ...

I have a problem with a most most most basic question!! If f(x)=x+1 and g(x)=x-2, then solve the equation, |f(x)+g(x)|=|f(x)|+|g(x)| the stupid answers given is x≤-1 and x≥-2...how is this possible??? ...

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QA particle performs harmonic oscillations along the x axis according to the law x= a cos wt. Assuming the probability P of the particle to fall within an interval from --a to +a to be equal to unity, find how the probabili ...

A particle moves under the influence of the potential V(x) = -Cx^{n}e^{-ax} . Find the frequency of small oscillations around the equilibrium point. ans not given please post workin' . NOTHING MORE mentioned in the question. ...

Following reaction NH4+ + CN- → HCN + NH3 (in aqueous medium) proceeds in : a) forward direction b) backward direction c) in both sides equally d) can't be predicted Ans: (b) ...