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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.. :) ...
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In IITs what are the pros and cons in 4yr and 5yr courses? ...
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An easy one... Q.A rod is rotating about center with angular speed w. If the Young modulus of elasticity of rod is Y and length and cross sectional area is l and A respectively. Find the elongation in rod. *Image* ...
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Q. In a beaker with water a thin capillary tube of radius r is dipped. and a rod of radius r/2 is inserted symmetrically in between. Find the height of water that rises in the tube. *Image* ...
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Q.1 A ball B1 with mass(very small) m1 sits on the top of another ball B2 of mass m2. The bottom of B2 is at a height H above the ground and the bottom of B1 is at ht H+D above ground. Both ball are dropped from rest. All col ...
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*Image* A wire of length l has current i apply amperes law ∫B.dx=μi B.2pir=μi B=μi/2πr ...(:P same as of infinite wire.) But we know it should be B=μi(sinα+sinβ)/4πr Explain what is wrong.. [3] ...
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*Image* What are A and B? ...
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*Image* The pipe has uniform cross section area.the base is removed.height of water is H I don know what i am doing wrong. :( AVa=AVb Va=Vb=v now by bernaullis theorem at point A and B Patm+ÏgH+Ïv2/2=Patm+Ïv2/2 ÏgH=0 [5] ...
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A rod is divided in 3 parts randomly. The probability that they can form a triangle. It was a subjective(write the answer) and my tukka was correct without the options :P but anyone please with the method. ...
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*Image* Block A is almost massless.and velocity is given to (mass=1kg) v= 8gH Find acceleration of A at initial instant. ...
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*Image* The left side of the plane has 0 potential and right has a positive potential. a positive charge is incident at boundary as shown with sufficient velocity as to enter right region. The excepted path in right side is I ...
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*Image* Arrange in order of basic strength ...
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Q. On the basis of VBT describe the structure of [V(H2O)6]3+ and [V(CN)6]3- ...
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On what factors product in Oxymercuration demercuration depends... ? ...
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prove that... If a ball of mass m collides with another stationary ball of mass M then the maximum angle of deviation of the ball of mass m is sin-1M/m ...from post (http://targetiit.com/iit_jee_forum/posts/balls_in_a_semi_ci ...
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*Image* MOI os square.. smaller sq has mass m length L Ib=16Is as length is twice and mass is four times.. and Is=KmL2 Ib=K(4m)(2L)2=16Is ..(i) by parallel axis theorem Ib=4Is+4m(l/ 2 )2 Ib=4Is+2mL2 ..(ii) From (i) and (ii) I ...
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3 can be written as 1+1+1 2+1 1+2 3 (4 ways..) In how many ways n can be written.. _________________ I think I posted this one earlier... in some post...(Nisahnt bhaiya gave the answer but not the method...that time...(sayad. ...
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A D.C. Pandey Question.. *Image* ...
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Q.1 Find B(x,y) in case I so that VA-VB is same for both rods... *Image* AB=L OB=L ..edited.. :p They are pulled by some means with given speed perpendicular to length of rod.. Note:Take only one line in copy at max or no cop ...
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Sn=cos1+cos2+cos3+cos4+....+cosn Find \lim_{n\rightarrow \infty}\frac{S_{n}}{n} ...
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*Image* aisa kuch hota hai kya.... [11][12] ...
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A solid non conducting sphere has charge distribution as shown in the figure. Radius and mass of sphere is R and m.. a constant electric field E0 is switched on as shown and sphere is displaced by small angle θ. there is fri ...
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not to test phy but to test if u remember the results.. Q. From a point h above the uniformly charged disc (charge density σ)a charge +q is thrown with some velocity v such that it reach B with same velocity. radius of disc ...
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Find no of functions satisfying f(x)^{f(y)}=f(x)+f(y) .. ...
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Find the difference with your targetiit main page.. [3] *Image* ...
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Let f be a real valued function defined for all real x such that for some fixed real number a > 0, such that.. \huge f(x+a)=\frac{1}{2}+\sqrt{f(x)-(f(x))^2} and \huge \frac{1}{2}\leq f(x)\leq 1, \forall x Show that f(x) is ...
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Just see my home page and the menus there in yellow circle.. :) :) *Image* ...
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Read the question.... Game show host asked contestants to select one of three closed doors. Behind exactly one of the doors was a valuable prize. After the contestant had selected a door but before it had been opened, host. w ...
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*Image* For Help last (E) is given... Enjoy!! [4] ...
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This is the biggest question n organic till date in the forum... Enjoy!! [3] *Image* Edit: ( after AgNH3 and H+) after S ... 1 eq of red P HI is added ...
