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In bimolecular reactions, two molecules collide. In trimolecular reactions, three molecules collide. How many molecules collide in unimolecular reactions? One? [7][7] ...

In photoelectric effect experiment, is the photo current independent of frequency of incident light? [7] ...

Find all the values of parameters a(a≥1) for which the areaa of figure bounded by pair of straight lines y2-3y+2=0 and curves y=[a]x2 ,y=[a]x2/2 is greatest..... where [ ] is GINT ...

If length of cylinder on heating inc. 2%,then are of base will increase ___% ...

A solid ball made of coefff of volume expansion 8 *10-6 /°C is immersed in a liquid having coeff of vol expansion 3 * 10-6 /°C.Calculate % increase in upthrust when temp increased by 100 °C ...

20g of boiling water is pooured into a cold brass vessel(specific heat =0.1 cal/g C) of mass 100g.Calculate final temp....... ...

A 10kg iron bar(specific heat 0.11cal/g°C) at 80°C is placed on ice block.How much ice melts? ...

A bird flies on ellipse ax2+by2=1 and z=5 3 and b>a>0 whose essentricity is 1/ 2 .An observer stands at a point P(α,β,0) where maximum and minimum angl of elevation of the birds are 60.and 30. when bird is at ...

A solution of leucine is titrated with strong base.pH before=1.85 ,the pH at mid pt. is 2.36 and at stoichiometric point is 6 .Determine Ka of leucine ...

Arithmetic,geometric and harmonic mean of the roots of the x2+13x+36=0 are α,β,γ respectively. 1)x1 and x2 are the roots of ax2+bx+c=0, a,b,cεR and α,β,γ lies between x1andx2 δ=mod(x1-x2) then set of all v ...

A block of ice is floating in water with a piece of iron trapped in it. What will happen to the water level as the ice melts? ...

If x1,x2,x3,....,xk are the divisors of positive integer n. If Σxi=75 then find Σ(1/xi)? [7] ...

how many electrons in Zn(atomic number 30) satisfy the given equation n+L =2m+3s+1 ...

sulfur and phosphorus shows catenation property while oxygen and nitrogen dont ...

Find a 7 digit number which has its own address... i.e. see this 4 digit number(not the number required) ex 1210 here 1 should say it has total 1 zero in the number 2 in second place say it has 2 one in the number . 1 in thir ...

what will happen to a person sitting in a stationary car if lightning strikes the car... ...

why is bohr orbit non radiating ? even in this case shudnt there be em radiation ...

n1 and n2 are two numbers which on multiplying with 7 gives a number consisting only five's no number between n1 and n2 exists which on multiplying with 7 gives the same result. Find n1 - n2 ...

Well , the caption suggests ( as good as ) as though I'm providing links for downloading . but the fact is :P that I need them , Please post as many books ( links) as possible. preferably new ones. or atleast give the nam ...

is metallury imp for iit? should v have to remember all those extraction and preparation of many s, p block compounds? help me in organising the inorganic part!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1 pl ...

Q: A hydrogen gas filled balloon, attached with a certain weight, floats inside a water tank such that its top is just inside the surface of water. What will happen to it if it is submerged a certain distance below the surfac ...

btw :p b/w :P lol This is not a new code language created by targetiitans. These are just a few short forms used to save time. So don't get confused we you see these. Meanings for these are given below 1. :) = [1] 2. ...

Lemon juice normally has a pH of 2.If all the acid in the lemon juice is citric acid and there are no citrate salts present, then what will be the citric acid concentration [HCit] in the lemon juice?(Assume that only the ...

plot 1) xy=a(x+y) 2) x+y ≥x, y≤2 ...

two particles of mass m and 2m are connected by rigid rod(mass≈0) and slide with μ=0 on circular path. of radius r inside of vertical circular ring.If system released at rest at θ=0°. Determine 1)velocity v of pa ...

FInd area enclosed by circle x2+y2=4 ,parabola y=x2+x+1 ,curve y=[sin2(x/4) +cos(x/4)] and X axis where [ ] is GINT ...

67 lines are drawn such that no two of them are parallel and no three are concurrent. Now 68th line is drawn parallel to 67th line. Find the number of regions formed in the plane... [Logical explanation is must] (ans wid expl ...

please reply for the post i was totally confused *Image* *Image* ...

q1. ) simple:) *Image* Bn = Bn-1/2 mass m , charge q, etc etc... take nething missing.. >>if nth radius is 64 times the first radius,,, find n. n ε natural no.s ...

find eq weight of HNO3 in the given reaction Mg+ HNO3→Mg(NO3)2+ NH4NO3+H2O ...