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a ball whose density is 0.4 * 103kg/m3 falls into water frm a height 9 cm.to wat depth i will sink??? 1.9 cm 2.6 cm 3.4.5cm 4.2.25cm ...

Q2 Sin[ 2cos-1{cot(2tan-1 x)} ]= 0...... solve for positive value of x... a) x=1,√2-1,√2+1 b) x=1,12,13 c) x=1,√3-1,√3+1 d) x=√2+1,√3-1 ...

wen appylying formulae lyk tan inv + tan invers = tan -1(x+y/1-xy) can sum1 tell me if ther is a genreal rule for addtn/subtctn of Î wen negative n all dat........ OR IT HAS TO BE REMEMBERED CASE to CASE basiss?? ...

IN SALT ANALYSIS wat r d gp. detecting & confirmatory test for 1) Bi3+ 2)Cr3+ 3)Ca2+ ...

this thread is made to share ur imp information so that others may be benefited ...

One topic troubling me in 3D coordinate geometry is the reflection of a line by a given plane ... can someone please help me .. nishant bhaiya please tell me the approach ?? ...

consider the integral \int_{0}^{inf}{x^{\mu}}dx where μ is real . We have \int_{0}^{inf}{x^{\mu}}dx = \int_{0}^{1}{x^{\mu}}dx + \int_{1}^{inf}{x^{\mu}}dx = I1 + I2 , where I1 is evaluated using the limitng process \lim_{\eps ...

i want to know what pencils we are supposed to use, please suggest a make as well another thing, in filling the ORS what pen are we supposed to use blue or black? and would ballpoint suffice?? please reply early guys ...

in d world cup d tournament is arranged as per following rules in d beginning 16 teams r taken & divided into 2 groups of 8 each teams of each group play a match against each other in d same group from each group 4 top qualif ...

A man wants to produce sound of frequency 680 Hz using a closed organ pipe of length 34cm. What should he do? a. He should break the close part of pipe. b. He should apply more and more pressure to produce then open end c. he ...

two squares r enclosed in an unit circle.wat shld be their minimum common area??? ...

The changes are isothermal if the temp of the gas remains constant - st1 ∫P dV (limits V1 to V2) =Δ W is negative, volume expands , ΔQ is negative....st2 ...

There is a thin uniform hemi- .. bowl of mass m and rad R is lying on a smooth smooth horizont surf..F is applied perpendicular to the rim...The inst angular accl of the bowl?? k=F/3mR a. 20k b. 10k c. 40 k d. 5 k ...

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AMong the folllowing paramagnetic compound is ????? a)Na2O2 b)O3 c)N2O d)KO2 explain also ...

Pl. mention the imp. points of Extraction of varoious elements here........ Main points cud include : Purification, Main Method of exctraction, Concentration n Purification........ Self-Reduction n Carbon reduction r imp. Lea ...

1+x + x^2 .......................infinity = 1/1-x .......... integrate both sides .. x + x^2/2 + ............ = ln(1-x) - ln(1) put x = 1 ..... ln0 = 1+ 1/2 + 1/3 + 1/4 .................... [3] ...

how to find the sum of the series- (1)x2+x4+x6+....+x2n (2)1/x2+1/x4+....1/x2n. Please tell in a proper stepwise manner. ...

A)Kaolin P)Zinc B)Amblygonite Q)Aluminium C)Wilemite R)Silicate ore D)Calamine S)Lithium ...

A rough cricular platform is fixed to a frictionless vertical axle.Its radius = 1m and M.I. = 200 kg-m2.A man of 50 kg stands on the edge of it.All are at rest initially.Then the man starts walking along the edge with a const ...

*Image* is such a que likely on 12th BTW if u know then pl give soltn i dont hav the answer ...

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*Image* There is a water retaining wall with semi cylindrical gate(ABC) at its bottom of radius 'R' and length 'b'. If 'H' be the height of the structure and 'ρ' be the density of water.... Q1 :- The horizontal component of ...

xy+yx=50 x n y ?? i know answer , infakt i only created question !! so.......answer like bolt !wwatsit ? ...

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http://reflections.targetiit.com/ Nishant bhaiya.. i found it :D [6][3] ...

a parallel beam of light enters a clear plastic bead 2.5 cm in diameter and index 1.4. at what point beyond the bead are these rays brought to a focus ???? ...

*Image* a small partical of mass m n its restraining cord r spinning with an angular velocity ω on the horizontal surface of a smooth disc as shown..the force F is slightly relaxed , r increases n ω changes. 1.∂ω/∂r=-Ï ...

correct order of increasing C-O bond length of CO,CO32-,CO2 is????? ...