-
just try this ! its great ! *Image* ...
-
a block tied between two identical springs is in equilibrium . if the upper spring is cut, then the acceleration of the block just after the cut is 6 m/s2 .now if instead of the upper string, the lower string is cut then the ...
-
if the function 0∫x f(t) dt->5 as |x|->1,then the value of (a) so that the equation 2x + 0∫x f(t) dt =a has atleast 2 roots of opposite sign in (-1,1) is (a) a ε (0,1) (b) a ε (0,3) (c) a ε (-1,∞) (d) a ε (3,â ...
-
3 solid hemispheres, each of radius (R) are placed in contact with each other, side by side, such that their flat surfaces rest on the rough horizontal ground . a solid sphere of mass(m) is symmetrically placed on the top of ...
-
*Image* ...really good question,,,,took me some time to get into it ! ...
-
this thread aims at discussions on all possible aspects of organic chemistry that we feel are important for JEE 2010 ! members can put forward their question in this thread and we shall try and answer them together ! short co ...
-
hello guys..... ....the ones who are taking ICP (intensive contact programme) of FIITJEE for IITJEE 2010 are requested to reply here...so that we can get some information about the course and faculty it provides !! i think th ...
-
hi everyone ! i was of the opinion that we can handle inorganic chemistry for coming year's JEE in a different way ! all of us have observed the questions in the recent 5 years JEE papers ! so, what we can do is collect bits ...
-
a disc of mass m=1kg and radius r=1m is hanging from the roof with a light rod of length l=2m as shown in the figure.the disc can rotate freely about hinge point C and the rod can rotate freely about hinge point O . at the gi ...
-
(please do not consider this to be a stupid thread...though it may seem to be one) this thread is to form a group of guys who are going for FTSE(conducted by FIITJEE) on the 4 th October,2009 ! you are requested to respond in ...
-
a 20 cm long capillary tube is dipped into water . the water rises up to a height of 8 cm .if the entire arrangement is put in a freely falling elevator ,the length of the water column in the capillary tube will be .......... ...
-
figure shows a capillary tube of radius (r) dipped into water.if the atmospheric pressure is P0, then the pressure at the point A is........ *Image* ...
-
Try to prove that the locus of the centre of a circle that cuts two given circles orthogonally is the radical axis of the two given circles.(very important proof in coordinate geometry) ...
-
find (p) so that the given equation has real solutions (cos p -1)x2 + (cos p)x + sin p =0 ...
-
There is a 7 * 11 chessboard placed in front of you. what you have to do is to find the number of rectangles of all shapes and sizes but of odd dimensions(i.e. both the length and breadth have to be odd) !!! ......check out!! ...
-
Find the emf induced across the ends P and Q of the conducting circular loop moving with a velocity (v) in the given magnetic region which has uniform magnetic field (B) directed into the plane of the screen!! *Image* ...
-
in a test an examinee either guesses or copies or he knows the answer to a multiple choice question, with more than one answer, and having 4 alternatives. the probabilty that he makes guess is 1/3 and that he copies the answe ...
-
there is an amoeba....in every minute it has four options : (0) it dies (1) it remains as it is (2) it doubles (3) it triples find the probability that after 2 minutes the amoeba dies ....(.i.e. if it doubles or triples all o ...
-
why doesn't acetic acid respond to haloform test ?(you can also consider why acetamide and acetyl chloride don't respond to this test though all have keto methyl groups ) ...
-
i am starting this thread to start a discussion on rotational motion as i have done in "optical isomerism" in organic section !!! i start with a brief summary....everyone is welcome to put forward his/her coherent views on th ...
-
someone please put forward with views on how to study inorganic chemistry in the minimum possible time !!!! ...
-
lets put forward our doubts and knowledge on "optical isomerism " in this thread.....that will be a great move ....i feel !!!! ...
-
the oxidative ozonolysis of acetylene yields .......?(clue: there are 2 products) ...
-
which of the following quantities do not change when a resistor connected to a battery is heated due to current ? (a)drift speed (b)resistivity (c)resistance (d)number of free electrons ...
-
a very simple question: why do molecules of highly polar molecules have energy even at the absolute zero? ...
-
the simplest cycloalkyne is ............... ...
-
if α i a non real root of x7=1 , find the equation whose roots are :α+α6 ; α2+α5 ; α3+α4 . ...
-
an organic compound "A" (C15H13ON) decolourises baeyer's reagent. on strong oxidation "A" gives two acids "B" and "C" which are separated by fractional crystallization ."B" is benzoic acid" and "C" is a dibasic acid having no ...
-
how many of you are gearing up for the chemistry olympiad this year ? lets come together in this thread and put up good discussions for the exam !!!!! can anyone tell me in brief the process of enrolment ? ...
-
why is H2O neutral but HF acidic in nature ?(i mean you analyse the huge difference in properties !!!) ...
