# AIEEE 2009 SOLUTIONS BRILLIANT TUTORIALS PDF

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Instructions The test is of 3 hours duration. The Test Booklet consists of 90 questions. The maximum marks are There are three parts in the question paper.

The distribution of marks subject wise in each part is as under for each correct response. Candidates will be awarded marks as stated above in instruction No. No deduction from the total score will be made if no response is indicated for an item in the answer sheet.

Use of pencil is strictly prohibited. However, the candidates are allowed to take away this Test Booklet with them. For a charged particle moving from point P to 1 i and iv 2 i and iii point Q, the net work done by an electrostatic 3 ii and iv 4 ii and iii. The net work done by a conservative force on an object moving along a closed loop is zero. A pn junction 4 shown in the figure can act 1 Statement 1 is True, Statement 2 is 3.

An alternating current source V False. Key 3 t Sol. Statement2 is not the correct explanation of 1 I statement1. The above is a plot of binding energy per t. Its maximum angular speed is. Its centre of mass rises to a maximum height of 1 l2 2 1 l 2 1 3 g 6 g. For a point 'p' inside the sphere at distance r1 from the centre of sphere, the magnitude of electric field is Q 1 0 2 40 r12 3.

Y is true only when both A and B are true. If x, and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then, which of the following does not change with time?

Option 2 however may not be regarded as the correct answer because it is not mentioned that x, the displacement is measured from equilibrium position.

In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each position, the screen is adjusted to get a clear image of the object. A graph between the object distance u and the image distance v, from the lens, is plotted using the same scale for the two axes.

A straight line passing through the origin and making an angle of 45 with the xaxis meets the experimental curve at P. A thin uniform rod of length l and mass m is swinging freely about a horizontal axis passing. Infrared radiation will be obtained in the transition from : 1 2 1 2 3 2 3 4 2 4 5 4. Energy of transition is less only in this case. What is the energy of the gas due to its thermal motion? This question contains Statement1 and Key.

A steady current I is flowing in the loop. Another straight thin wire with steady current I1 flowing out of the plane of the paper is kept at A mixture of light, consisting of wavelength nm and an unknown wavelength, illuminates Young's double slit and gives rise to two overlapping interference patterns on the screen. The central maximum of both lights coincide. Further, it is observed that the third bright fringe of known light coincides with the 4th bright fringe of the unknown light.

From this data, the wavelength of the unknown light is : 1 Two points P and Q are maintained at the potentials of 10V and 4V, respectively. The work done in moving electrons from P to Q is 1 9. The surface of a metal is illuminated with the light of nm. The kinetic energy of the ejected photoelectrons was found to be 1. The resistance of a wire changes from to when its temperature is increased from 27C to C.

Key 4 Sol. R0 is the resistance at 0C. Directions : Question numbers 12 and 13 are based on the following paragraph. The magnitude of the magnetic field 2 due to It speed after 10 s. A charge Q is placed at each of the opposite corners of a square. A charge q is placed at each of the other tow corners. At the straight point of the motor cycle there is a stationary electric siren. A long metallic bar is carrying heat from one of V its ends to the other end under steadystate.

Assume that the duration of collision is negligible and the collision with the plate is totally elastic. Then the velocity as a function of time and the height as a function of time will be : o. A transparent solid cylindrical rod has a 2 refractive index of.

It is surrounded by air. However wire 1 has crosssection area A and wire 2 has cross sectional area 3A. If the length of wire 1 increases by x on applying force F, how much force is needed to stretch wire 2 by the same amount?

If the smallest division of the main scale is halfadegree. The incident angle for which the light ray grazes along the wall of the rod is : 3 1 1 sin 1 2 sin 1.

They superpose The number of beats produced per second will be 1 4 2 3 3 2 4 1. E L Key. Most of the Ln III compounds are coloured due to f f transition. Two moles of helium gas are taken over the A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. Fruity smell is evolved due to formation of T ester.

H 2SO 4. Assuming the gas to be ideal the work done on ethylacetate the gas in taking it from A to B is : ester 1 R 2 R 3 R 4 R. Arrange the carbanions, Key. Enthalpy of adsorption in physisorption is due to p - d bonding CCl3 is extra stable.

The alkene that exhibits geometrical isomerism Therefore, the spontaneous adsorption will have is: negative enthalpy change.

Which of the following on heating with aqueous 3 KOH, produces acetaldehyde? In a fuel cell methanol is used as fuel and COOH oxygen gas is used as an oxidizer. If regarding physissorptions? At at 25C is: K, vapour pressure of the solution 1 At the same temperature, if 1 mol of Y Key.

Vapour Sol. Copper crystallizes in fcc with a unit cell length 3 0 0 of pm. What is the radius of copper atom? The time required for Which of the following has an optical isomer? In highest oxidation states transition metals Solid Ba NO3 2 is gradually dissolved in a 1.

Calculate the wavelength in nanometer 1 4. Which one of the 1. Using MO theory predict which of the following 3 The solution is non-ideal, showing ve species has the shortest bond length? On mixing n-heptane and ethanol; strong 1 B. In context with the transition elements, which of 1 3 2 2 the following statements is incorrect?

Which of the following pairs represents linkage The two functional groups present in a typical isomers? The correct reason for higher B-F bond dissociation energy as compared to that of B has vacant available p orbital and hence it involves p - p back bonding which is not possible in CF4 as C does not have vacant orbital.

In Cannizzaro reaction given below. From 6 different novels and 3 different 1 3. Then the number of such arrangements is 1 n 3 1 less than log log10 2 at least but less than The projections of a vector on the three coordinate axis are 6, 3, 2 respectively.

The direction cosines of the vector are. Key: 2 probability of at least one success is greater than 4 9 Sol. If length of semiminor axis is b then. Three distinct points A, B and C are given in the 2dimensional coordinate plane such that the ratio of the distance of any one of them from the point 1, 0 to the distance from the point 1, 0 is equal to. The remainder left out when 8 62 is divided by 9 is 1 0 2 2 3 7 4 8 Key: 2 Sol.

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## Brilliant Tutorials AIEEE 2009 Solutions

There is more to it than meets the eye. The defining characteristic is its timed MCQ format. The basic idea of a timed test is that you have to work and answer under the constraint of time. Hence, a simple step-by-step algorithmic method of solving a question would only waste your time and put you at a disadvantage. What is required is a set of unconventional tools and methods of problem-solving, apart from the commonsense approach.

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Mathematics is known to be one of the most scoring subjects in all domains of study , and AIEEE is no different. If you have your fundamentals clear and have practiced quick-solving techniques, there should be no stopping you from acing AIEEE Mathematics. Given below are some tips that will take you that extra mile to success. Understand how to derive formulae and then apply them to solving problems. The more you practice, the more ingrained in your brain these formulae will be, enabling you to recall them in any situation. Direct questions from trigonometry are usually less in number, but the use of trigonometric concepts in coordinate geometry and calculus is very profuse.

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## AIEEE - 2009 Paper with Solutions for physics, chemistry and Maths

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