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1. Find the work performed by one mole of a Van der Walls gas during its isothermal expansion from volume V1 to V2 at a temperature T. i hav d answer but just try to see ur thought on it. so just do it ...
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1. Two dipoles of dipole moments p each r placed on points A(a,0) and B(-a,0) as shown in figure.How much work is done in rotating both d dipoles with 90° angle in clockwise direction? *Image* 2.A block of mass m and charge ...
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A student using a constant volume gas thermometer measures d pressure at d triple point of water (0.01°C) to be 45000 N/m2 and d prssure at d boiling temperature of water (100°C) 2 b 60000N/m2. assume that pressure varies l ...
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(1) *Image* Find the equivqlent resistance between A and B. (2) *Image* Find current in each resisrot. ...
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(1)A certain gas is hexamerised 2 a small extent.If initially 1 mole gas is taken the ratio \frac{PV}{RT} will b equal to (A) 1-\frac{5K_{c}}{V^{5}} (B) \frac{5K_{c}}{V^{5}} (C) 1-\frac{5K^{2}_{c}}{V^{5}} (D) 1-\frac{4K^{2}_{ ...
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(1)What is Corey house reaction?Is it a nucleophilic addition?Please state its mechanism. ...
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(1)CH≡CH react with Cu2cl2 and NH4Cl to form A. A reacts with 1eq H2 and give B. Find A and B. (2)Mendelic amide reacts with Br2/KOH to give?? (3)What is the co-ordination number of C in solid (LiCH3)4? please give answer w ...
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(1) 2 loudspeakers are emitting sound waves of wavelength \lambda with an initial phase difference of \frac{\Pi }{2} .At what minimum distance from O on line AB will one hear a maxima? *Image* (A)25\lambda (B)\frac{100\lambda ...
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(CH3)2-CH-CH2-CH3+Cl2→ X in presence of light. X is a monohalogenated product.What is X.Give structure with explanation. ...
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Find the Bond angle, hybridisation and shape of (1)SF4 (2)XeOF4 (3)ClF3 (4)NH4+ ...
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(1) In a sequence of circles C1, C2, C3, ....... Cn ; the centres lie along positive x-axis with abscissae forming an arithmetic sequence of first term unity and common difference 3. The radius of these circles are in geometr ...
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Let f (x) is a continuous function which takes positive values for x≥0 and satisfy \int_{0}^{x}{f(t)dt}=x\sqrt{f(x)} with f (1) =1/2. Then the value of f(\sqrt{2}+1) equals 2 ??? ...
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Multiple option type Let f: \left[-1,1 \right] onto \left[3,5 \right] be a linear polynomial.Then which of the following is true? (A)f(-\frac{1}{2})=\frac{7}{2} \: (B)f(-\frac{15}{4})=\frac{1}{4}\: (C)f(0)\neq 4 \: (D)f(\frac ...
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Which is the correct order of bond lengths in methyl mercaptan (a)C-S > C-H > S-H (b)C-S >S-H > C-H (c)S-H >C-S > C-H (d) none ...
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Consider a parabola Y=X2/4 and d point F(0,1). Let A1 (x1,y1), A2 (x2,y2), A3 (x3,y3)......,An (xn,yn) are 'n' points on the parabola such xk>0 and angle OFAk= \frac{k\Pi }{2n} (k=1,2,3...n).Then find d value of \lim_{n\ri ...
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A disc initially at rest, starts rotating eith uniform acceleration.During first 5 secs it describes an angle \beta .During next 5 secs d angle described is \gamma . Find d value of \frac{\gamma }{\beta } . ...
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*Image* For complete reduction,what is d value of X ...
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A long rod has one end at 0°c and other end at a high temperature. The coefficient of thermal conductivity varies with distance as K=K0(1+aX) where K0=102SI unit and a=1m-1.At what distance from d 1st end d temp. will b 100 ...
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*Image* Answer these two questions ...
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1) If the normal at one end of the latus rectum of an ellipse x2/a2+y2/b2=1 passes through the one end of the minor axis then A. e4-e2+1=0 B. e2-e+1=0 C. e2+e+1=0 D. e4+e2-1=0 2) In an ellipse the eccentric angle of any point ...
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1) A wire of length 1m is moving at aspeed 2m/sec perpendicular to a magnetic field of induction of 0.5T.The ends of wires are formed by a circuit of total resistance 6ohm.What is the rate at which work is done to keep the wi ...
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*Image* A thin horizontal disc of radius R=10 cm is located within the cylindrical cavity filled with oil whose viscosity is ∩ =0.08P. the clearance between the disc and horz. planes of the cavity is equal to h=1.0mm.Find t ...
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*Image* The 50 kg homogenous smooth rests on the 30° incline and bear against the smooth vertical wall B. Find contact force at A? ...
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*Image* Magnetic field is inside the plane of paper and increasing with time. Four diiff. shaped conductors PQR are placed as shown. In which figure Potential at point P will be greater than potential at R? ...
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1/ Which of the following metals have both valence and penultimate shell partially filled A. Cr B.Mo C.Cu D.Zn 2/ Which wil give ammonia with water A. Mg3N2 B.AIN C.CaCN2 D.Ca(CN)2 ...
