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is there any official word out on the jee pattern,the guys at fiitjee are saying it will be same as the '08 pattern(246+243),is it true? ...

The Monty Hall problem Game show host Monty Hall ("Let's Make a Deal") asked winning contestants to select one of three closed doors. Behind exactly one of the doors was a valuable prize. Occasionally, after the contestant ha ...

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The equation of trajectory of a projectile is given by y = ax - bx2 Find total distance travelled till the body reaches the highest point. ...

We know that increasing distance between 2 bodies increases gravitational potential energy. We also know that the universe is expanding. Then from where is this extra energy comming from? ...

A number is seelceted randomly from 3 digit nos. 100,101...........999 .The prob that in the selected no. at least one of the digits is 9 is?? ...

in constructing a problem on vectors,3 componts of vector are randomly chosen from digits 1 to 5 with replacements.What is prob that magnitude of vector is 5?? ...

What is the energy spent in blowing a soap bubble of radius 7cm? What additional work will be done in furthur blowing it to double radius. Surface tension=30dyne/cm ...

9) Number of points outside the hyperbola (x2/25) - (y2/36) =1 , from where two perpendicular tangents can be drawn to the hyperbola is(are) a> 3 b> 2 c > 1 d>0 16) If a circle x2+y2=4 intersects a rectangular hyp ...

1) The greatest value of (sin-1x ) 3 +( cos-1 x) 3 2) The value of sin(cot-1 (cos(tan-1 x)) 3) The smallest and the largest values of tan-1 [( 1-x) / (1+x)] ...

An observer A and a charge Q are fixed in a stationary frame F. Another observer B is fixed in a frame f, which is moving wrt to F. then a) both A and B will observe electric fields. b) both A and B will observe magnetic fiel ...

prob that length of a randomly chosen chord of circle lies b/w 1/2 and 3/4 of its diameter???? ...

To be fair, this question is not relevant to the Syllabus of IIT JEE. It is definitely in the syllabus but it shows how things can go wrong! I will try to show that there are 3 different probabilities attached to finding the ...

draw the graph of y = [x]{x} greatest integer of x to the power fractional part of x ...

NaNO2+HCl Hydrolysis 1)butan-2-one --------------------> [X] ---------------> [Y] (Major) Give the structure of Y. KCN mild (i)OH 2)Ph-CHO ---------> [X] ---------> [Y] -------> [Z] (O) (ii)H+ [Z] is? 3) *Image ...

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when 1-pentyne(A) is treated with 4N alc. KOH at 175 °C , it is converted slowly to an eqm mixture of 1.3% 1-pentyne(A), 95.2% 2- pentyne (B) and 3.5% 1,2- pentadiene (C). the eqm mixture was maintained at 175 °C. calculate ...

Which of the following functions are differentiable at x=0? A.) sinlxl+coslxl B.)lxl+sinlxl C.)lxl+coslxl D.)lcosxl+coslxl please give the reason i know the answer! but there is a controversy between the theory and answer giv ...

the number of continuous functions onR which satisfy (f(x))^2 = x^2 for x belongs to R is ? ...

two shm are represented as y1=10 sin(4pi t + pi/4) and y2=5 sin (3pi t) + √3 cos (3pi t) Their amplitudes are in ratio?? Here are we supposed to do anything with frequencies of phase difference ...

a massive circular hoop of radius r ossilates in its own plane about a horizontal axis at a distance x above the centre of the hoop the period of oscillation is minimum when x equals Please explain how it is suspended ...

A triangular loop of side "L " carries current I . It is placed in a magnetic field B such that the plane of the loop is in the direction of B . The torque on the loop is ...

thread closed due to incorrect data....... sorry[2] ...

draw the graph of y = {x}[x] fractional power of x to the pwer of greatest integer of x! ...

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Q1. A large open top container of negligible mass and uniform cross-sectional area A has a small hole of cross-sectional area A/100 in its side wall near the bottom. The container is kept on a smooth horizontal floor and cont ...

Three solenoid coils of same dimension , same number of turns and same number of layers of winding are taken. Coil 1 with inductance L1 was wound using a Mn wire of resistance 10Ω/m. Coil 2 with inductance L2 was wound using ...

if S=summation (1/r) and the limits is from 1 to 2047 then find the range of S the option were 5<S<6; S>6; 11<S<12; and S<11; please give ur soln ...

|a|=2,a.b =1,angle between a and b = 60 . r is any vector satisfying: r.a=2 r.b=8 (r+2a-10b).(a x b) = 4 3 (r+2a-10b) = λ(a x b) then λ = A)1/2 B)2 C)1/4 D)4 ...