List of top Questions asked in COMEDK UGET

Cryoscopic constant is the depression in the freezing point produced by
A slab consists of two plates of different materials of same thickness and having thermal conductivities $K_1$ and $K_2$. The equivalent thermal conductivity of the slab is
Nitrogen is obtained by heating
A body when released from the top of a tower of height $h$ reaches the ground in time 1 second. Time in second at which it is a height $ \frac{h}{2}$ above the groun.d is
The EMF of a cell containing sodium/copper electrodes is 3.05 V. If the electrode potential of copper electrode is + 0.34 V the electrode potential of sodium is
If $C$ is the centre of the ellipse $\frac{x^{2}}{16} + \frac{y^{2}}{9} = 1 $ and S is one of the foci, then the ratio of CS to semi-minor axis of the ellipse is
The range of a particle projected at an angle of 15? with the horizontal is 1.5 km. Its range when projected with the same velocity at an angle of 45? with the horizontal is
Woollen clothes keep the body warm because they
Which one of the following forms oleum when dissolved in cone $ {H_2SO_4}$ ?
If $\log (x + z) + \log (x - 2y + z) = 2 \log (x - z),$ then $ x, y, z$ are in
$\displaystyle\lim_{n\to\infty} \frac{1^{2}+2^{2} +...+n^{2}}{4n^{3}+6n^{2}-5n+1}=$
The modulus and amplitude of $\frac{ 1 + 2i}{1 - (1 - i)^2}$ are respectively
A charge situated at a certain distance along the axis of an electric dipole experience a force $F$. If the distance of the charge from the dipole is doubled, the force acting on it will become
Iodine value is used to determine
$+I$ effectis exhibited by
The derivative of $\sin x^{\circ} \, \, \cos x$ with respect to $x$ is
A DC source of $30 \, V$ is connected across two resistors of $200\, \Omega$ each connected in series. A voltmeter of resistance $200 \, \Omega$ is connected across a resistor. It reads
Cuprammonium ion is having
The adsorption of inert gases on the surface of activated charcoal increases with
If $n$ is a non-negative integer and $A = \begin{bmatrix}1&0\\ 1&1\end{bmatrix} $ , then $A^n = $
'Raman frequencies' refers to
The value of $x$ for which $f(x) = x^3 - 6x^2 - 36x + 7 $ is increasing, belong to
If $ y =\sin^{-1} \left(\frac{5x+12 \sqrt{1 -x^{2}}}{13}\right)$ , then $ \frac{dy}{dx} = $
Dividing cells which are not yet committed to become specific cell type are
In an open system