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Old 6th November 2015, 04:20 PM
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Default IIT aptitude test questions

Hello friend I want IIT aptitude physics test questions as well as test papers of chemistry and also so provide it to me ?
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Old 6th November 2015, 04:30 PM
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Default Re: IIT aptitude test questions

Hello brother as you ask for the IIT aptitude physics test questions and test papers of chemistry here I am providing to you


Physics

Two stones are located at the same height above the ground at a horizontal distance of 20 m. One of them is projected vertically upward at 20 m/s and the other dropped from rest at the same moment. Find the distance between them one second later. (Assume acceleration due to gravity is 10 ms–2 )

A small mass of 2 kg is tied to the end of a string attached to a fixed point. The mass is drawn aside such that the string is horizontal and is released. When it swings along a circular arc through an angle of 30o it has kinetic energy of 8 J. Find its kinetic energy when the string becomes vertical.

A car is taking a turn of radius 20 m at a speed of 36 kmph. Find the ratio of resultant force on the car to its weight.

A car starting from rest goes round a bend with its speed increasing linearly with time. If 2 s after start its centripetal acceleration is 4 m/s2 find its centripetal acceleration a second later.

A particle is going round a circular path making one revolution in 4 s. Consider any diameter of the circle and project the position of the particle going round the circle on to diameter. Times taken to move between two points on the circle and the time taken to move between the corresponding projections on the diameter are obviously the same. Find the time taken by the projection to move between the extreme of the diameter and a point midway between the center and the extreme.

A particle starting from rest from O accelerates uniformly along a straight line and crosses two points A and B which are 5 m apart in 2 s. If velocity at B is 2 m/s more than the velocity at A, find the distance OA.

A thin test tube of negligible weight is floating in water ( density of water 1gm/cm3) with some liquid A filling part of its length to keep it upright. When the test tube is three fourth’s full it is just about to submerge as shown . When another liquid B fills half the length of the tube, one fourth of the length of the test tube is seen above water. Find the density of the two liquids


A point object is located on the principal axis of a lens at a distance of 25 cm from it. When the object is moved 5 cm away from the lens the image moves by 40 cm. Find the focal length of the lens

Two wires made of same material have their thicknesses in the ratio 1:2 and have equal lengths. When connected in parallel, their equivalent resistance is R. Find the equivalent resistance when they are connected in series.

A magnet is arranged parallel to an external uniform magnetic field of induction Bo with its north pole pointing in the direction of the field. At a point on the equatorial line of the magnet the magnetic induction is zero. Find the induction at double this distance on the axial line of the magnet.



Chemistry

All the elements in a group in the periodic table have different
A) atomic weights
B) number of electrons
C) mass number
D) atomic number


To understand the behaviour of molecules it is necessary to have a thorough understanding of which of the following properties of chemical bonding
A) bond types
B) bond angles
C) bond lengths
D) bond energies

Choose the correct statements
A) the density of a gas varies with temperature
B) the density of a gas varies with pressure
C) the volume of a gas always increases when temperature increases
D) the volume of a gas may not increase when the temperature increases

The photosynthesis reaction is 6CO2(g) + 6H2O(l) C6H12O6(s) + 6O2(g) with D H=2802KJ consider the reaction to be at equilibrium. In order to increase the synthesis of
C6H12O6
A) the amount of CO2 should be increased
B) the amount of H2O should be increased
C) the temperature should be increased
D) the partial pressure of CO2 should be increased

Which of the following statements are correct for weak acid
A) only some of the ionisable hydrogen atoms are present as hydronium ions
B) the proton transfer equilibrium favours the ionised acid molecules
C) weakness refers to the number of moles of acid for litre
D) all simple carboxylic acids containing-COOH group are weak acids in water

Choose the correct alternatives
A) in all calculations involving solubility products the ion concentrations are expressed in units of solute per litre
B) in all calculations involving solubility products two ion concentrations are expressed in units of solute per litre of solution
C) molar solubility of a compound in a solution increases of the solution has common ion with the compound
D) molar solubility of a compound in a solution decreases if solution has a common ion with the compound

A zero order reaction is one in which
A) the rate of reaction is zero
B) the rate of the reaction is independent of concentrations
C) the power of the reactant in the rate law is zero
D) the rate of the reaction is equal to the rate constant k

According to the electro chemical series
A) metal above hydrogen are rarely found in free state
B) metals below hydrogen are often found in free state
C) highly electropositive metals occurs in association with non-metals
D) highly electro-negative metals occur in association with metalloids

Various metallurgical process employed for the extraction of metals depend on
A) the nature of the ore chosen for metal extraction
B) the type of the materials associated with ore
C) the percentage of the metal present in the ore
D) the degree of purity required in the extracted metal

Choose correct statements
A) the positive ions will be larger than their parent atoms
B) the positive ions will be smaller than their parent atoms
C) the negative ions will be larger than their parent
D) the negative ions will be smaller than their parent atoms
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