List of top Questions asked in KEAM

Gyro magnetic ratio is?
Radius of gyration of a disc about its diameter is?
Resistivity of a wire is proportional to
Total kinetic energy of a satellite at height \( h \) is \( k \). Then total energy of the satellite is
If the mean kinetic energy of Helium is 5000 J at 400 K, then the kinetic energy of neon at 800 K is
A wave from a source having power 1 watt is incident on a surface of area 200 m\(^2\). What is the intensity of the wave?
A body starts from rest and is moving with a constant acceleration \( a \). The relation between instantaneous displacement and time is
Increasing ionic radii of lanthanoids having +2 oxidation state?
Mobility is the ratio of drift velocity and ________?
Ratio of wavelength of first two modes of open pipe
For a first-order reaction, if the rate constant is \( k = 6.93 \times 10^{-3} \), what is the half-life (\( t_{1/2} \)) of the reaction?
Two stretched strings of same material are vibrating under same tension in fundamental mode. The ratio of their frequencies is 1 : 2 and ratio of the length of the vibrating segments is 1 : 4. Then the ratio of the radii of the strings is
A lamp consumes only $25\%$ of the peak power in an ac circuit. The phase difference between the applied voltage and the current is
The density of kerosene is $800 \,kg \,m^{-3}$. Its relative density is
Mixing of $N_2$ and $H_2$ form an ideal gas mixture at room temperature in a container. For this process, which of the following statement is true?
A ray of light is incident at $60^{\circ}$ on one face of a prism of angle $30^{\circ}$ and the emergent ray makes $30^\circ$ with the incident ray. The refractive index of the prism is
The $100^{th}$ term of the sequence $1, 2, 2, 3, 3, 3, 4, 4, 4, 4, \dots$, is
If a closed organ pipe has the same third harmonic frequency as that of an open organ pipe, then their respective lengths are in the ratio
Two waves are given by $y_1 = \cos \, (4t - 2x)$ and $y_2 = sin \, \big(4t - 2x + \frac{\pi}{4} \big).$ The phase difference between the two waves is
A plane square sheet of charge of side $0.5\, m$ has uniform surface charge density. An electron at $1\, cm$ from the centre of the sheet experiences a force of $1.6 \times 10^{-12}\, N$ directed away from the sheet. The total charge on the plane square sheet is $\left(\varepsilon_{0}=8.854 \times 10^{-12} C ^{2} m ^{-2}\, N ^{-1}\right)$
Specialized cells called heterocysts are present in:
The unit of self-inductance is
If a straight line passes through the points $ \left( \frac{-1}{2},1 \right) $ and $(1, 2)$, then its $x$-intercept is
$200\, mL$ of water is added to a $500\, mL$ of $0.2 \,M$ solution. What is the molarity of this diluted solution?
If $ {{x}^{y}}.{{y}^{x}}=16, $ then $ \frac{dy}{dx} $ at (2, 2) is