List of top Questions asked in KEAM

An organic compound \( \text{C}_5\text{H}_{10}\text{O} \) does not reduces Tollen's reagent but forms addition compound with sodium hydrogen sulphite and gives the Iodoform test. On vigorous oxidation, it gives ethanoic acid and propanoic acid.
Which transition metal has more than one metallic structure at normal temperature?
Which donot form carbylamine
Geometry of a molecule \( \text{AB}_3\text{E}_2 \) with 3 bond pairs and 2 lone pairs
IUPAC name of \( \text{(CH}_3\text{)}_3\text{C}-\text{CH}_2\text{Br} \)
Reagent used to convert decanol to decanoic acid
When ice at $0^\circ\text{C}$ is heated and converted into steam at $100^\circ\text{C}$, which graph correctly represents the variation of temperature with heat supplied?
The force experienced by the Earth due to solar radiation is $9 \times 10^9$, N. Find the radiation pressure on Earth. (Radius of Earth R = $6.4 \times 10^6$, m)
In simple harmonic motion (SHM), the acceleration of a particle at a displacement of 3m from the mean position is $48\text{ m/s}^2$ directed towards the mean position. Find the angular frequency.
A particle moves in a circular path of radius 4 cm. It completes 5 revolutions in 2 minutes. Find its linear velocity.
A particle moves in a circular path of radius 4 cm
$\vec{P} = x\hat{i} + 0.8\hat{j} + 0.6\hat{k}$ If magnitude of $\vec{P}$ is 2, value of x is
The capacitance of a capacitor is C when there is air (or vacuum) between its plates. When a dielectric is completely inserted between the plates, the capacitance becomes 2C. Find the dielectric constant of the material.
A spring of spring constant 'k' cut into n pieces. What is the spring constant of each piece?
Two syringes have piston in the ratio 1 : 5. If the pressure exerted in both syringes is same, find the ratio of the forces applied on the piston.
The displacement of a body at any time t is given by \[ x = -\frac{3}{4}t^2 + 12t + 3 \] The velocity of the body is zero after:
Energy of electron of hydrogen atom in $3^{\text{rd}}$ excited state is
Which of the following is diamagnetic
A cyclotron has frequency f and energy E. If the energy is doubled, frequency becomes
If external force acting on a body is zero, centre of mass of body
In a forward biased semiconductor potential changes from 0.9V to 0.6 V. Find current if resistance is $1\Omega$
A constant current of 3A flows through a conductor having potential difference of 200V. Find heat developed in conductor in 25s.
Potential difference between two points in a region having uniform electric field of $800\text{ N/C}$ is $16\text{V}$. Find the distance between two points.
What is the specific heat capacity at constant volume for non-rigid diatomic gas.
In a Young's double slit experiment with a light having wavelength 500 nm, separation between slit is 0.2 mm, distance between slit and screen is 2m. Find fringe width.