List of top Questions asked in KEAM

A ball dropped from a height of $2\,m$ rebounds to a height of $1.5\,m$ after hitting the ground. Then the percentage of energy lost is
Choose the wrong statement.
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
Which one of the following pairs consists of only paramagnetic species?
A solid sphere and a hollow sphere, both of the same size and same mass roll down an inclined plane .Then
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 :
Ampere?s circuital law can be derived from
Which one of the following has the smallest bond angle ?
An electric dipole of dipole moment $\overrightarrow{p}$ is placed in a uniform external electric field $\overrightarrow{E}$. Then the
An odd electron molecule among the following is
Huygen's wave theory of light could not explain
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
Identify the mismatched pair
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
Which of the following is not in green house gas?
The organic compound with two asymmetric carbon atoms is
Two wires of the same material having equal area of cross section have lengths L and 2L. Their respective resistances are in the ratio
Which of the following is paramagnetic with bond order $ 0.5 $ ?
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?
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
A force of 1N acting on a body of mass 2 kg produces in it an acceleration of (in ms)
A ground receiver in line-of-sight communication cannot receive direct waves due to
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
For a monatomic gas, the molar specific heat at constant pressure divided by the molar gas constant $R$ is equal to
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