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Find the no. of integer solutions of x+y+z = 24 such that x is even and +ve , y>2 and z > -2 ? A) 110 B) 96 C) 120 D) 121 ...
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Paragraph n moles of Helium gas is filled in a thermally insulated vessel at a temperature T. From a very small orifice of area A gas is coming out. Given V is volume of container and M is molecular mass of gas. [Assume outsi ...
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q1> C6H5-COOH + CH3MgI → q2> CH3CONHC6H5 +Br2/Fe → ...
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Q1 *Image* Q2 *Image* Q3 any concept for this question ???????????or simply memory stuff ?? *Image* ...
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Q: Two charges of charge +2q and +q have masses m and 2m respectively.They are kept in a uniform electric field and allowed to move for the same time. Find the ratio of their kinetic energies : My doubt is to whether to use K ...
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Q : A point mass m and charge q is connected with a massless spring of natural length l.Initially spring is in its natural length.If a horizontal UNIFORM electric field E is switched on , : i. Find the separation of the point ...
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*Image* ans is c(how??? please explain how to approach in these type of problems..) ...
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a bear fell from a height of 19.66 m in 2 s.what is the colour of bear to be most likely expected? well u don have to make mere guesses u have to solve this one n show ur working ;) ...
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*Image* take that a fluiid is present upto the brim....and there is asmall orifice as shown.....find y such that range of the fluid that comes out of the orifice is max.. ...
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A plateau is in the shape of a trapezium with the upper surface horizontal and the side surfaces at 60° & 30° to the horizontal.A man walks up the steeper slope at 6 m/s then along the upper surface and then down the inclin ...
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let l l l 1 0 0 l l l A= l 3 w 0 l l l l 0 3-i w^2 l l l then a) A^105 is a lower triangular matrix b) A^106 is a upper triangular matrix c) trace of A^109 is zero d) trace of A^108 is w^108 w, w^2 are cube oots of unity A is ...
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The horizontal bottom of a wide vessel with an ideal fluid has a round orifice of radius R1 over which a round closed cylinder is mounted, whose radius R2>R1( see the figure ) . The clearance between the cylinder and the b ...
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If "f" is a Decreasing Odd fn., f-1 is - a)Odd, Decreasing b) Odd, Increasing c) Even, Decreasing d) Even, Increasing ...
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*Image* give reasons ...
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QUESTION UNANSWERED---- *Image* ...
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1- Suggest a Chemical Test to distinguish b/w - *Image* 2- Chloro Benzene is subjected to the following- i)Nitration mixture ii) Cl2/FeCl3 iii) NH2-NH2 The Final Product is ? 3) A: Only method of preparing F2 is electrolytic ...
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Q1. Let \begin{Bmatrix} x_{n} \end{Bmatrix} be a sequence of real nos satisfying the recurrence relation x_{n+1}=\frac{x_{n}\sqrt{3}-1}{\sqrt{3}+x_{n}}, \; n\epsilon N Then the period of the sequence is got the answer .. but ...
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Calculate Potenial half cell Ag2S (s) +2e =2Ag(s) +S2-(aq) in osln buffered at ph=3 which is also saturated with 0.1M H2S (Aq) ** = denotes equilbm ...
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A cylinder partitioned into two parts is filled with two immiscible liquids A(Ï1) and B(Ï2).Now two orifices(O1 and O2) are simultanously created.Find velocity of efflux Take two cases a)Ï1>Ï2 b)Ï1<Ï2 *Image* ...
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Is this question of IIT JEE / AIEEE STANDARD OR LESS ? ...PLEASE SOLVE IT..IT SEEMS EASY..BUT I THINK IT IS NOT.. Q: If the greatest admissible acceleration or retardation of a train be 3 feet/sec2 , find the least time from ...
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CH3COCH3 + conc. HCl/Zn-Hg/D2O/Δ → ?? Are these the products --- CH3CH2CH3,CH3-CHD-CH3,CH3CD2CH3, ...
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Hydrogen atom HA-1 and Hydrogen atom HA-2 are in ground state and in first excited state. A metal plate accepts energies 12.1 eV and 1.9 eV respectively from an Emission spectra.(Work fn=2eV) Find the number of possible lines ...
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In a reaction : A + 2B \Leftrightarrow 2C,2 moles of A,3 moles of B and 2 moles of C are placed in 2 L flask and the eqb concentration of C is 0.5 mole/L.The eqb constant (K) for the reaction is (a). 0.073 (b). 0.147 (c). 0.0 ...
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1. When XeF2 and AsF3 react and form adduct,the hybridisation of Xe and As in adduct are respectively ________,_______ ?? 2. When DEVARDA's alooy is treated with nitrates in the presence of alkali the gas evolved is (a) NO (b ...