List of top Questions asked in KEAM- 2025

To have the same RMS value as that of hydrogen at 30K, what will be the temperature of the oxygen molecule?
Energy of H atom in ground state is 13.6 eV. No of spectral lines emitted by 'H' atom when a photon of energy 12.75 eV is received?
If the threshold wavelength of a metal is in the green light region, then which of the following radiation cannot cause emission of electrons from metal?
Three forces are acting on a particle in which \( F_1 \) and \( F_2 \) are perpendicular. If \( F_1 \) is removed, find the acceleration of the particle.
Acetone can be converted to 2-methylpropan-2-ol using:
What is the speed of water flowing through a hole located at a depth \(h\) from the surface of water in a tank?
What is the work done to stretch a string?
Young's modulus and shear modulus are applicable for:
Which of the following amino acids are synthesized in our body?
Which of the following statement is incorrect?
Find the magnetic field inside a solenoid having number of turns 7000, length 1m, and current 1 A.
What is the path followed by a charge entering a uniform magnetic field with its initial velocity along the direction of the magnetic field?
Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:
\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:
Phenol can be converted into benzene by treating with:
Vibration of atoms and molecules produce electromagnetic radiation in the region of:
3 capacitors of capacitance \( 12 \mu \text{F} \) each is connected in series. If the voltage is 12V, what charge is drawn from the cell?
Find the magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
Monochromatic light passing through a prism doesn't produce:
What is the angle between the current and the magnetic field if a conductor carrying 2A current placed in a magnetic field of 4T experiences a force of 10N?
In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:
Which of the following have a complete octet?
IUPAC name of the compound [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\)
The amount of NaOH required to neutralize 9.8g H\(_2\)SO\(_4\) is:
Which among the following shows -R effect?