-
Consider a parabola y=\frac{x^{2}}{4} and the point F (0, 1). Let A1(x1, y1), A2(x2, y2), A3(x3, y3),........, An(xn, yn) are 'n' points on the parabola such xk > 0 and <OFA_{k}=\frac{k\Pi }{2n} (k=1,2,3,....,n) . Then ...
-
(1) The no. of solutions of the equation 2^{\left|x \right|}\left(\sqrt{1-x^{2}} \right)=1 is ? (2)The order of the differential equation y=C_{1}e^{x+c_{2}}+C_{3}e^{x+c_{4}} + C_{5}\sin (x+C_{6})+C_{7}\cos (x+C_{8}) is equal ...
-
1) Consider two functions f(x)=1+ e^{\cot ^{2}x} and g(x)= \sqrt{2\left|\sin x \right|-1}+ (\frac{1+\cos 2x}{1+ \sin ^{4}x}) Statement-1: The solutions of the equation f (x) = g (x) is given by x=(2n+1)\frac{\Pi }{2} for all ...
-
which is the only vitamin present in rain water?? ...
-
Consider a parabola y=\frac{x^{2}}{4} and the point F (0, 1). Let A1(x1, y1), A2(x2, y2), A3(x3, y3),........, An(xn, yn) are 'n' points on the parabola such xk > 0 and <OFA_{k}=\frac{k\Pi }{2n} (k=1,2,3,....,n) . Then ...
-
A solid body X of heat capciity C cools cc to newtons law of cooling. the atmospheric temp 300k.At time t=0 its temp is 400k it and at time t1its temp is 350K At this time t1the body X is connected to a large body Y at atmosp ...
-
The amplitude of a wave disturbance propogation in the +ve X direction is given by y=1/(1+x^2) at t=0 and by y=1/[1+(x-1)^2] at t=2 sec. The velocity of wave is ...
-
1) There are three switches downstairs. Each corresponds to one of the three light bulbs in the attic. You can turn the switches on and off and leave them in any position. How would you identify which switch corresponds to wh ...
-
1) A chemical contained in tea is also contained in the bark of a tree. It is used for making ink removers. that chemical is a) tannic acid b)oxalic acid c)carbonate d) cellulose 2)which of the following cannot dissolve in ca ...
-
guys post all your number sequence problems in this thread... with Manmay's idea To start off... for practice P.S. the hidden part contains the answers... I) For the following find the ODD MAN OUT 1) 10,14,16,18,21,24,26 a)26 ...
-
added Q20 , Q21 , Q22 Q1) If KMF can be written as LLH then RMS = a) SLR b) SLU c) SSU d) SUS Q2) If corden can be written as zrogbq then what can be written as pxivro a) mulmul b) sulsul c) munmun d) srspql Q3) if QDXM can b ...
-
ADDED Q2), Q3) Q1) radius of curved road on national high way is R and width of the road is ' b ' . the outer edge of the road is raised by a height of ' h ' with respect to inner edge so that the car with velocity ' v ' can ...
-
C'MON WE ALL KNW WHO IS GONNA WIN!!![3][3] ...
-
Edited : http://www.scribd.com/doc/28349866/Alkyl-Halides-My-Notes A scribd link is better :P Name of topic says it all...govind asked me to post here for the greater good of studentkind :P Kindly rate the document if you rea ...
-
which of the following statements is correct?? 1.BCl3 nd AlCl3 are both lewis acid but BCl3 is stronger 2.BCl3 nd AlCl3 are both lewis acid but AlCl3 is stronger 3.BCl3 nd AlCl3 are equally strong lewis acid 4.none of these ...
-
1.the increasing order of ionisation enthalpies of B,P,F,S. 2.which has dp-dp as major interaction a)benzene and ethanol b)acetonitile and acetone c)KCl ansd water d)benzene and CCl4 ...
-
1. What characteristic of a carboxylic acid gives the molecule a much higher boiling point than many other molecules of similar molecular weight? 2. The carboxyl group (R-COOH or R-CO2H) is one of the two functional groups th ...
-
1. H2 (g) + Cl2 (g) = 2HCl (g) How many liters of HCl are produced when 11.2 L of chlorine are reacted with excess hydrogen? (One mole of any gas occupies 22.4 L under certain conditions of temperature and pressure. Assume th ...
-
1. The ionic radii of Ca2+ and Na+ ions are about the same yet calcium ions are more hydrated than sodium ions. Suggest an explanation for this. ...
-
1)The solution of the differential equation \frac{dy}{dx}=\frac{x+y}{x} satisfying the condition y(1) =1 is (1) y=xe(x-1) (2) y=xlnx+x (3) y=ln x + x (4) 2 y = x ln x + x2 ...
-
1. If you understand, say "understand" . If you don't understand, say "don't understand". But if you understand and say "don't understand". How do I understand that you understand? Understand! ************** 2. I wish to wish ...
-
Hey JEE takers, best of luck for the exams.. Now its time to hold your nerve so now take a chill pill... Cheer up guys.. :) ...
-
..select correct statement ------ 1..NH3 is more soluble in aq. NH4Cl than in pure water 2..solid amm. fluoride and ice are miscible in water in all propartions..... (give explanation[98] ...
-
(1) *Image* Find the equivqlent resistance between A and B. (2) *Image* Find current in each resisrot. ...
-
which is more stable carbene......singlet or triplet....explain with reason!!! ...
-
if X,V and A denote displacement ,velocity and the accerleration of a particle executing SHM of time period T ,then which of the follownig will not change with time??? 1.A2T2 + 4k2V2 2.AT/X 3.AT+2kX 4.AT/V note, k=pie ...
-
THE HIDDEN THINGS ARE FOR MY REFERENCE TO CONFIRM ANSWERS THEY R IN NO WAY RELATED TO ANS OR QS (!) Mn 2+ can be oxidised to MnO4- by --- --> 13Fbl 1 (A) SnO2 (B) PbO2 (C) BaO2 (2) The reaction which proceeds in the forwar ...
-
A lens is placed between a source of light and wall. It forms images of area a1 and a2 on the wall for two positions. The area of source is A) \frac{\sqrt{a_{1}a_{2}}}{2} B) \frac{a_{1}a_{2}}{a_{1}+a_{2}} C) \sqrt{a_{1}a_{2}} ...
-
Evaluate: \int_{0}^{a}{\frac{ln(1+ax)}{1+x^2}}dx ...
-
(1)CH≡CH react with Cu2cl2 and NH4Cl to form A. A reacts with 1eq H2 and give B. Find A and B. (2)Mendelic amide reacts with Br2/KOH to give?? (3)What is the co-ordination number of C in solid (LiCH3)4? please give answer w ...