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KEAM
List of top Questions asked in KEAM
Which of the following is paramagnetic with bond order
$ 0.5 $
?
KEAM
Chemistry
Chemical bonding and molecular structure
Which of the following is not in green house gas?
KEAM
Chemistry
Environmental Chemistry
If the rms value of sinusoidal input to a full wave rectifier is
$\frac{V_0} { \sqrt{2}}$
then the rms value of the rectifier?s output is
KEAM
Physics
Semiconductor electronics: materials, devices and simple circuits
Two wires of the same material having equal area of cross section have lengths L and 2L. Their respective resistances are in the ratio
KEAM
Physics
Resistance
According to Kepler's law of planetary motion if
$ T $
represents time period and
$ r $
is orbital radius, then for two planets these are related as :
KEAM
Physics
Gravitation
A man of mass
$60 \,kg$
climbed down using an elevator. The elevator had an acceleration
$4 \, ms^{-2}$
. If the acceleration due to gravity is
$10 \, ms^{-2}$
, the main apparent weight on his way down is
KEAM
Physics
laws of motion
Ampere?s circuital law can be derived from
KEAM
Physics
Moving charges and magnetism
An electric dipole of dipole moment
$\overrightarrow{p}$
is placed in a uniform external electric field
$\overrightarrow{E}$
. Then the
KEAM
Physics
Electric charges and fields
Huygen's wave theory of light could not explain
KEAM
Physics
Wave optics
Ice pieces are floating in a beaker
$A$
containing water and also in a beaker
$B$
containing miscible liquid of specific gravity
$1.2$
. When ice melts, the level of
KEAM
Physics
mechanical properties of fluid
Identify the mismatched pair
KEAM
Physics
communication systems
An odd electron molecule among the following is
KEAM
Chemistry
Chemical bonding and molecular structure
A hot liquid is filled in a container and kept in a room of temperature of 25
$^{\circ}$
C. The liquid emits heat at the rate of 200 Js
$^{-1}$
when its temperature is 75
$^{\circ}$
C. When the temperature of the liquid becomes 40
$^{\circ}$
C, the rate of heat loss is J s
$^{-1}$
is
KEAM
Physics
thermal properties of matter
A 10
$\mu$
F capacitor is charged to a potential difference of 1000 V. The terminals of the charged capacitor are disconnected from the power supply and connected to the terminals of an uncharged 6
$\mu$
F capacitor. What is the final potential difference across each capacitor?
KEAM
Physics
electrostatic potential and capacitance
A force of 1N acting on a body of mass 2 kg produces in it an acceleration of (in ms)
KEAM
Physics
Work done in Thermodynamics
A ground receiver in line-of-sight communication cannot receive direct waves due to
KEAM
Physics
communication systems
The angle between the line
$ \frac{3x-1}{3}=\frac{y+3}{-1} $
$ =\frac{5-2z}{4} $
and the plane
$ 3x-3y-6z=10 $
is equal to
KEAM
Mathematics
Angle between a Line and a Plane
For a monatomic gas, the molar specific heat at constant pressure divided by the molar gas constant
$R$
is equal to
KEAM
Physics
kinetic theory
A ball
$A$
is thrown up vertically with a speed
$u$
and at the same instant another ball
$B$
is released from a height
$h$
. At time
$t$
, the speed of
$A$
relative to
$B$
is
KEAM
Physics
Motion in a straight line
The domain of the function
$f \left(x\right)=\frac{\log_{2}\left(x+3\right)}{x^{2}+3x+2}$
is
KEAM
Mathematics
Relations and functions
If f(x)=
$ \left(\frac{x}{2}\right)^{10}, then\, f \left(1\right)+\frac{f '\left(1\right)}{\lfloor1}+\frac{f \left(1\right)}{\lfloor2}+\frac{f '\left(1\right)}{\lfloor3}+\ldots+\frac{f ^{\left(10\right)}\left(1\right)}{\lfloor10}$
is equal to
KEAM
Mathematics
Differentiability
If
$ \theta $
is semi vertical angle of a cone of maximum volume and given slant height, then
$ tan\theta $
is equal to
KEAM
Mathematics
Application of derivatives
The least integer satisfying
$\frac{396}{10}-\frac{19-x}{10} < \frac{376}{10}-\frac{19-9x}{10}$
is
KEAM
Mathematics
linear inequalities in one variable
If the conjugate of a complex number
$z$
is
$\frac{1}{i - 1}$
, then
$z$
is
KEAM
Mathematics
Complex numbers
If the semi-major axis of an ellipse is 3 and the latus rectum is
$\frac{16}{9},$
then the standard equation of the ellipse is
KEAM
Mathematics
Ellipse
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