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How was it,everyone? doubts:FSF full form,difference between virus and worm. and plz giv outputs of the ones u remember. ...

q1 Total ionic strength of a solution of 0.5M MgSO4,0.1M AlCl3,0.2M (NH4)2SO4 q2 On cooling 50g of solute gets precipitated from 400g of a 20% solution by weight.What is percentage concentration of remaining solution q3 If ra ...

Q18 The final product B in the following reaction CH3CH2CH = CH2 + NBS,hν + (C6H5CO2)2 → A + CH3SNa + CH3OH → B is a) Methyl 1-methylallyl sulphide b) Allyl methyl sulphide c) n-Butyl methyl sulphide d) Diallyl sulphide ...

*Image* The length of rod is 'L' .What is acceleration of the rod and tension in the string just after the one of the string is snapped. ...

1)13.44 g cucl2 is dissolved in 1 kg of water. what is the elevation in boiling point?kb=0.52 kg k/mol ans-0.16 2)which of the following statements are correct? a)the coordination no. of each type of ion in cscl is 8. b)metal ...

two numbers 'a' and 'b' are selected at random from the set {1,2,3,4,5............3n}. find the probabilty that a2-b2 is divisible by 3 ...

\int \frac{1}{(2sinx+secx)^{4}}dx for practice ...

A bag contains 5 balls of unknown colour. A ball is drawn and replaced twice , and in each case it is found to be red.: if two balls are drawn simultaneously .find the chances that it is red. ...

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In the situation shown in the figure for whAT value of force F sliding between middle and lower block will start *Image* ...

Q. The decomposition of N2O5 is 1st order. 2N2O5 ---> 4NO2 + O2 is 1st order. If the rate constant is 5.90 x 10-4 s-1, what is the half life of this reaction? will u use t0.5 = 0.693/K or t0.5 = 0.693/2K ...

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f(x)=|x-x2| What is the maximum value of this fn? ans is 6 but i got as 1 ...

Q1 if v' is frequncy of photon which escapes to ∞ from a star and v is its freuncy when it is emmited from surface of star of radius R then v/v'= ? Q2Gravitational red shift of phototn escaped to ∞ from starts surface is ...

Q1An object of mass m is located at radius r form centre of black hole with Schwarzschild radius Rc.Find attractive force exerted by black hole on body Q2 Astronomers observed a small massive object at centre of our milky way ...

Sorry for double post....plz reply here http://targetiit.com/iit-jee-forum/posts/no-idea-part3-15384.html ...

cross out 10 digits from the number 1234512345123451234512345 so that remaining number is as large as possible.then what will be the addition of all the digits of the new number? a.51 b.52 c.48 d.56 show me the process of doi ...

prove that (k-1)2=(n-1)2+(m-1)2+(f-1)2 have infinitely many solutions when all the variables are natural numbers[1] hey forgot one constraint they r distinct for obvious reasons.....[1][1] ...

TMH iit jee for 2008: pg-21.16 , f(x)=sin(2x+1) f:R→[-1,1] domain is restricted to [-3Π/4 - 1/2 , -Π/2-1/2] In this case find onto or not? Can u pls explain with the help of graph? *Image* /hide] I think it is not onto .. ...

*Image* two thin infinite non conducting wire are bend as shown in fig. the charge density of the wire varies as ρ for |x|≥a |y|≥a otherwise 0 a test charge Q is placed at origin what will be the unit vector along its ve ...

Two beakers one containing 20ml of a .05M aqueous solution of a non volatile non electrolyte and the other contains 20ml of .03MNaCl solution , are placed side by side in a closed enclosure.what are the volumes in the two bea ...

*Image* Ques 3) Which one of the following has a dipole moment significantly different from zero ?? *Image* Ques 4) Which one of the following has smallest heat of combustion ? Ques 5)Among xylenes, which is thermodynamically ...

Q1. Let \LARGE\!\phi (x) = sinx\int_{0}^{x}{costdt} + 2\int_{0}^{x}{tdt} + cos^2x - x^2 . If \LARGE\!x^2 - 2x +3 \geq \phi (x) \vee x\epsilon R, then greatest area bounded by xφ(x) and coordinate x=0 and x=5 is (a) 16 (b) 25 ...

1 wrong question of increasing and decreasing functions(where the function itself was not given) assured 6 marks on attempting but still had a long and tiresome test and not a perfect maths test i wud hav wanted. how was urs? ...

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A hydride of boran contains 5.94g of B and 1.8 g of hydrogen then the emperical formula of boron hydride would be____ a)B3H6 b)B2H6 c)BH3 d)B4H10 ...

P (3,1), Q (6,5) and R(x,y) are three points such that the angle PRQ is a right angle and the area of PRQ is 7, then the number of such points R is...???? Please give a detailed solution. ...

1 g of a moist sample of KCl And KClO3 was dissolved in water and made up to 250 ml. .25 ml of the solution was treated with SO2 to reduce the chlorate to chloride and excess SO2 was removed by boiling . The total chloride wa ...

\int \frac{1}{(x+\sqrt{x^{2}-1)}^{2}}dx far practize ...

question in next post.. evaluate the first one and then do the second one ...