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are properties of dia,para,ferro magnetic substances , hyst. , susceptibility there in the iitjee syllabus? ...
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In Lens Makers Formula Should we substitute the value of u (object distance) & v (Image distance) with proper Sign or just the value Lens Makers Formula : 1/v - 1/u = ( \mu_{2} / \mu_{1} )( 1/R1 - 1/R2 ) ...
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If the boiling point of a certain compound is elevated what will be the change in its freezing point? ...
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can anybody throw some light as to how the online form filling would be beneficial?(for JEE 2012) i mean by registering online i guess there's no chance of mistake in admit card and someone says that forms by online are rarel ...
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yesterday I got a chance to sit for microsoft internship test... there were in total 5 questions(75 mins). Here is one of the question: You are given with following code snippet, you need to determine what will be the output. ...
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number of points having integral co-ordinates and satisfying x2+y2≤5 is 1. 14 2. 21 3. 20 4. none of these please give a detailed solution. P.S.- nishant sir, i want a solution to this asap. ...
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when will the study materiaaaaaaal be posted?? ...
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Which is best book containing Mock tests for IITJEE of approximately same level as JEE... Pls help! ...
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Which is best book containing Mock tests for IITJEE of approximately same level as JEE... Pls help! ...
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*Image* If z1 and z2 are two complex numbers in the argand plane shown..!! then what does (z2 - z1) represent? ...
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if iz3 - z2 - z + i = 0, then show that |z| = 1 The solution given in my book is something like this... (z - i)(iz2 - 1) = 0 so, z = i => |z| = 1 (i got it till here) but, (iz2 - 1) = 0 then how can |z| = 1 ?? (plese help ...
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∫[sinx + [2x/pi]] dx from pi/4 to pi/2 ...
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Find the image of the point (2,2) in the line mirror 3x+4y-5=0. ...
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*Image* ...
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*Image* a particle is released from the top of an equilateral triangle groove which is meeting in th plane of an inclined plane of inclination theta= 53°. the corner of the groove are curved to neglect impulse. side of a tri ...
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∫[sinx + [2x/pi]] dx from pi/4 to pi/2 ...
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we have to calculate the value of 1/x in a calculator, but the key of 1/x function is broken and we can only use the functions sinx , cosx. tanx. sin-1x ,cos-1x ,and tan-1x.how itz possible? ...
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can anyone explain Idempotent matrix and properties. ...
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find the solubility product of a saturated solution of Ag2CrO4 in water at 298K if the emf of the cell is Ag|Ag+(satd Ag2CrO4 soln.)||Ag+(0.1M)|Ag is 0.164V at 298K. ...
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i want somebody to explain the common ion effect in brief... preferably, manish sir or nishant sir...:P ...
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\hspace{-16}$If $\mathbf{p,q,r>0\;}$,Then find $\mathbf{p,q,r}$ in \\\\ $\mathbf{\ln\left(pqr\right)=-2}$\\\\ $\mathbf{ln(p).\ln(q).\ln(r)=2}$\\\\ $\mathbf{\ln(p).\ln(q)+\ln(q).\ln(r)+\ln(r).\ln(p)=-1}$ ...
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find the solubility product of a saturated solution of Ag2CrO4 in water at 298K if the emf of the cell is Ag|Ag+(satd Ag2CrO4 soln.)||Ag+(0.1M)|Ag is 0.164V at 298K. ...
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I always was and am confused with POSITIVE and NEGATIVE signs for the square roots!So,please answer these seemily STUPID questions [1] so that i remain no longer confused! √4=? 41/2=? ...
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1. 1.2 solution(W/V) of Nacl is isotonic with 7.2% solution(W/V) of glucose (molar mass 180 g mol-1. the degree of dissociation of nacl solution is____ 2. 'x'g of non electrolyte compound (molar mass 200) are dissolved in 1.0 ...
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Q. A current of 3.7A is passed for 6hrs. between Ni electrodes in 0.5L of 2M solution in Ni(NO3)2. What will be the molarity of the solution at the end of electrolysis? Ans: 2M. Shouldn't it be less than 2M since it started a ...
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can anyone tell me how to find the number of prime nos between two given integers eg:: between 1 to 10 there are 4 primes .......please tell me if there is any general method for this. ...
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f(x)= |x2n+1|, n belongs to N then, A) f(x) is continous but not differentiable at x=0 B) f(x) is differentiable at x=0 C) f(x) is discontinous at x=0 D) none of these. ...
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*Image* Please give brief explanation also ...
