List of top Questions asked in KEAM- 2024

The correct order of arrangement of electromagnetic waves according to their wavelengths is
An alternating current having peak value 14.14 A is used to heat a metal wire. The value of the direct current \(i\) required to produce the same heating effect in the same wire is
If the nuclear radius of $^{125}_{52}\text{Te}$ is 6 fermi, then the nuclear radius of $^{27}_{13}\text{Al}$ in fermi is
When sodium nitroprusside is added to sodium fusion extract the presence of sulphur is indicated by the formation of a violet colored complex. Its formula is
In bringing a proton towards another proton, the electrostatic potential energy of the system

A particular color of light has a wavelength of 663 nm. What is the energy possessed by the light? 
(Planck’s constant $h = 6.63 \times 10^{-34}$ J·s; Velocity of light $c = 3 \times 10^8$ m/s)

The number of significant figures in 0.0500L is
If $P$ is the pressure at which the heart is pumping the blood and the volume of blood pumped per second is $V$, then the power of the heart is given by
A particle is describing a uniform circular motion with a certain constant speed. The INCORRECT statement is
In a nuclear decay, after the emission of one $\alpha$-particle and one $\beta$-particle
The average kinetic energy per molecule of an ideal gas at \(27^\circ C\) is \(E\). The temperature of the gas at which the average kinetic energy per molecule will be \(2E\) is
In a ‘tug of war’ game, two persons pull each other through a massless rope. The person who wins is

If the speed of a moving particle is decreased by 1%, the de Broglie wavelength of the wave associated with it

If the ratio of amplitudes of two light waves is 2 : 1, then the ratio between the intensities of the two waves is
The magnetic force acting on a charged particle carrying a charge $3 \mu C$ in a magnetic field of $5$ T acting in the $y$-direction, when the particle velocity is \[ (\hat{i} + \hat{j}) \times 10^5 { ms}^{-1} \] is
In a p-n junction diode, reverse biasing
The velocity of a travelling plane wave given by \[ y = 10^{-2} \sin \left( 200t - \frac{x}{5} \right) m, \] is
For the gas phase homogeneous equilibrium:

\[ 2X(g) \rightleftharpoons 2Y(g) + Z(g) \]

$K_C$ at 400K is $1 \times 10^{-3}$ mol L-1. What is the value of $K_P$ for the equilibrium at 400K?

\[ R = 0.082 \, \text{L atm K}^{-1} \, \text{mol}^{-1} \]

Which of the following has the maximum Young’s modulus value?
Dimensions of the physical quantity $X$ in the equation \[ {Force} = \frac{X}{{Volume}} \] are
Resistivity of a conductor increases with
Kirchhoff’s junction rule is based on conservation of
Which of the following pairs of aquated first transition metal ions have the same color?
The radius of gyration of a regular solid cylinder of radius $R$ about its axis is
The gravitational potential energy of a system of two bodies each of mass $m$ and distance $r$ between them is (G = gravitational constant, g = acceleration due to gravity)