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AIEEE
List of top Questions asked in AIEEE
The trigonometric equation
$sin^{-1} x = 2\, sin^{-1}$
a, has a solution for
AIEEE - 2003
AIEEE
Mathematics
Inverse Trigonometric Functions
Let f (x) be a polynomial function of second degree. If
$f (1) = f (- 1)$
and
$a, b, c$
are in
$A. P.,$
then
$f' (a), f' (b)$
and
$f' (c)$
are in
AIEEE - 2003
AIEEE
Mathematics
Continuity and differentiability
The sum of the series
$\frac{1}{1\cdot2}-\frac{1}{2\cdot3}+\frac{1}{3\cdot4}-...... $
upto
$8$
is equal to
AIEEE - 2003
AIEEE
Mathematics
Sequence and series
If
$\begin{vmatrix}a&a^{2}&1+a^{3}\\ b&b^{2}&1+b^{3}\\ c&c^{2}&1+c^{3}\end{vmatrix}=0 $
and vectors
$(1, a, a^2) (1, b, b^2)$
and
$(1, c, c^2)$
are non-coplanar, then the product abc equals
AIEEE - 2003
AIEEE
Mathematics
Vector Algebra
If
$z$
and
$?$
are two non-zero complex numbers such that
$|z?| = 1$
, and Arg
$(z)$
- Arg
$\left(\omega\right)=\frac{\pi}{2},$
then
$\bar{z}\omega$
is equal to
AIEEE - 2003
AIEEE
Mathematics
Complex Numbers and Quadratic Equations
A tetrahedron has vertices at
$ O (0, 0, 0), A(1, 2, 1) B(2, 1, 3 )$
and
$C(-1, 1, 2)$
. Then the angle between the faces OAB and ABC will be
AIEEE - 2003
AIEEE
Mathematics
introduction to three dimensional geometry
Ethyl isocyanide on hydrolysis in acidic medium generates
AIEEE - 2003
AIEEE
Chemistry
Amines
Bottles containing
$ {C6H5I}$
and
$ {C6H5CH2I}$
lost their original labels. They were labelled A and B for testing. A and B were separately taken in test tubes and boiled with
$ {NaOH }$
solution. The end solution in each tube was made acidic with dilute
$ {HNO3}$
and then some
$ {AgNO3}$
solution was added. Substance B gave a yellow precipitate. Which one of the following statements is true for this experiment ?
AIEEE - 2003
AIEEE
Chemistry
Haloalkanes and Haloarenes
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value
AIEEE - 2003
AIEEE
Chemistry
Environmental Chemistry
Several blocks of magnesium are fixed to the bottom of a ship to
AIEEE - 2003
AIEEE
Chemistry
Redox reactions
According to the kinetic theory of gases, in an ideal gas, between two successive collisions, a gas molecule travels
AIEEE - 2003
AIEEE
Chemistry
States of matter
The atomic number of V, Cr, Mn and Fe are respectively 23, 24, 25 and 26.Which one of these may be expected to have the highest second ionisation enthalpy ?
AIEEE - 2003
AIEEE
Chemistry
d -and f -Block Elements
For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be
AIEEE - 2003
AIEEE
Chemistry
p -Block Elements
A particle performing uniform circular motion has angular momentum
$L$
. If its angular frequency is doubled and its kinetic energy halved, then the new angular momentum is
AIEEE - 2003
AIEEE
Physics
System of Particles & Rotational Motion
A marble block of mass
$2 \,kg$
lying on ice when given a velocity of
$6\, m/s$
is stopped by friction in
$10\, s$
. then the coefficient of friction is
AIEEE - 2003
AIEEE
Physics
laws of motion
A horizontal force of
$10\, N$
is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is
$0.2$
. The weight of the block is
AIEEE - 2003
AIEEE
Physics
laws of motion
The co-ordinates of a moving particle at any time
$'t'$
are given by
$x = \alpha t^3$
and
$y = \beta t^3$
. The speed to the particle at time
$'t'$
is given by
AIEEE - 2003
AIEEE
Physics
Motion in a plane
Which of the following radiations has the least wavelength?
AIEEE - 2003
AIEEE
Physics
Electromagnetic Spectrum
Two spherical bodies of mass
$'m'$
and
$5M$
and radii
$R$
and
$2R$
respectively are released in free space with initial separation between their centres equal to
$12\,R$
. If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is
AIEEE - 2003
AIEEE
Physics
Gravitation
Dimensions of
$\frac{1}{\mu_{0}\,\varepsilon_{0}},$
where symbols have their usual meaning, are
AIEEE - 2003
AIEEE
Physics
Units and measurement
Consider telecommunication through optical fibres. Which of the following statements is not true?
AIEEE - 2003
AIEEE
Physics
Ray optics and optical instruments
A strip of copper and another germanium are cooled from room temperature to
$80\, K$
. The resistance of
AIEEE - 2003
AIEEE
Physics
Semiconductor electronics: materials, devices and simple circuits
In an oscillating LC circuit the maximum charge on the capacitor is The charge on the capacitor when the energy is stored equally between the electric and magnetic field is
AIEEE - 2003
AIEEE
Physics
Alternating current
A tuning fork of known frequency
$256\, Hz$
makes
$5$
beats per second with the vibrating string of a piano. The beat frequency decreases to
$2$
beats per second when the tension in the piano string is slightly increased. The frequency of the piano string before increasing the tension was
AIEEE - 2003
AIEEE
Physics
Waves
The solubilities of carbonates decrease down the magnesium group due to a decrease in :
AIEEE - 2003
AIEEE
Chemistry
GROUP 1 ELEMENTS
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