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A tube of length L contains a gas at temperature T. One end of the tube is closed and the other end is open. A small speaker producing sound of variable frequency is placed at the open end. The frequency of the speaker is inc ...

A silly question indeed... just started reading vectors and i got confused.. Got the full solution but am not satisfied... :( suppose (a-b)=cx(λ1a+λ2b)...................................(i) then what should be condition ...

A depletion layer looks like what is given below, right? *Image* So won't the positive ions in n junction attract the free electrons in n junction and negative ions in p junction attract holes from the p junction? ...

Why does hight dopant concentration lead to small depletion layer and low dopant concentration lead to large depletion layer? [7] ...

given [Ag(NH3)2+]→Ag+ + 2NH3 kc=6.2x10-8 Ksp(AgCl)=1.8x10-10 at 298 K. calculate the concentration of complex in 1 M aqueous ammonia pls provide detailed solution ...

HC VERMA Friction 28 ...

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The freezing point of an aqueous solution of KCN is 0.1892 mol Kg-1 of solvent was found to be -0.7040C. On adding 0.095 mol of Hg(CN)2, the freezing point of the solution was found to be -0.5300C. If the complex-formation ta ...

There's the general rukle for limits evaluation . lim x→a f(g(x)) = f( lim x→a g(x) ). but I feel , there must be someother condition . cos of this lim x--> 0 [x3] ≠[lim x --> 0 x3] . help ...

100gm of CaCO3 is heated in a vessel of 100 l capacity at 1000k. CaCO3 decomposes to form CaO and CO2 ..if kp for the equilibrium CaCO3 <----> CaO + CO2 is 7.5 atm, then find the % of CaCO3 unreacted ...

wt r harmonic progressions? ...

1. y=xy *Image* that x=1.38 is to let U know that it is one to many... ...

A uniform rod length L and mass m2 is pivoted at one end, to its other end is fastened a uniform disk of mass m1 and radius b. Find the angular acceleration of the system just after it is released from the position shown. *Im ...

How many images are formed when this lens is used? No portion of the lens is opaque [4] *Image* ...

*Image* A thin ring made of a magnetic material of permeability has a mean diameter d and supports a winding of N turns. The crosssectional area of the ring is equal to S. The ring has a cross-cut of width b such that b < ...

A small ring of mass `m` is threaded on a horizontal smooth rod which is rotating about its end with constant angular velocity `ω` . The ring is initially located at the axis of rotation.When the distance of the ring from th ...

3 particles of mass m lie on a equilateral triangle of side=a . What is the minimum initial velocity to be given to each particle such that they move in a circle with their seperation = initial seperation .Also find t ...

what is the product formed in this reaction?? Na , Et2O 2 C2H5CN --------------------> product????? ...

A Glass Slab ( refractive index=μ ) of height "h" is silvered at bottom surface. There is an air bubble "d" distance below the top surface. The observer is vertically above the bubble. The apparant distan ...

Let S be the set of all vertices of a unit cube.Let T be the set of the triangles having vertices in S then the number of equilateral , scalene, and isoceles triangles are ? PLz answer quickly i want to check my answers.. ...

*Image* Show that if a uniform heavy right circular cylinder of radius `a` be rotated about its axis, and lais gently on two tough horizontal rails at the same level and distance 2asinβ apart so that the axis of the cylinder ...

*Image* Three particles A,B,C of mass `m` each are joined to each other by massless rigid rods to form a equilaterall triangle of side `a`.Another particle of mass `m` hits `B` with a velocity v0 directed along BC as shown. T ...

A diwali cracker known as sudarshan chakra works on the principle of thrust. Consider such a toy the centre of which is hinged.the initial mass of the toy is M0 and the radius is R. The toy is in the shape of a spiral the tur ...

the sum of the integers from1to100 which are divisible by 2 or 5 (1)3000 (2)3010 (3)3150 (4)3050 ...

One end of a long metallic wire of length L is tied to the ceiling .the other end is tied to a massless spring K,a mass m hangs from the free end of the spring ,cross area and youngs modulus of rod are A and Y,find time perio ...

*Image* VA= 5 M/S downwards VB=10M/S downwards find the velocity of C? ...

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Can anyone please explain what the constraint equation is? ...

k luk at this: for an equiconvex lens, R=2f......(1) Also by lens makers formula, 1/f= (μ-1) [1/R + 1/R] = (μ-1)[2/R] = (μ-1)[2/2f] = (μ-1)[1/f] => (μ-1) = 1 i.e μ=2 !!!!!! what was my ...

wat is the relation between the acceleration of the reduced mass and center for mass for the system... *Image* ...