List of top Questions asked in COMEDK UGET

5 g of $CaCO_3$ completely reacts with
The solution having lowest freezing point is
Force per unit length between long parallel wires in the circuit is $3.6 \times 10^{-3} \, N \, m^{-1}$. Resistance of the circuit is
The amplitude of $\sin \frac{\pi}{5} + i\left( 1 - \cos \frac{\pi}{5}\right) $
The angle between the asymptotes of the hyperbola $x^2 - 3y^2 = 12$ is
A set $A$ has $5$ elements. Then the maximum number of relations on $A$ (including empty relation) is
In a galvanic cell, the reaction that occurs at the cathode is
Decarboxylation of an acid can be carried out using
If $a= 5, b = 13 , c = 12$ in $\Delta ABC$, then $\tan \frac{B}{4}$ is
The normal atmospheric pressure can support water column of height L which is, (given density of mercury = $13600\, kg\, m^{-3}$)
Which one of the following is least electropositive element?
A charge $Q$ is to be divided into two parts, $q$ and $(Q- q)$, such that force between them is maximum. Then
If the diameter of a capillary tube is doubled, the rate of flow ofliquid increases
In an interference experiment, when a glass plate of refractive index 1.5 is introduced in the path of one of the beams; fringes are displaced by $x$. When the glass plate is replaced by another transparent plate of same thickness, shift in the fringe is $ \frac{3}{2} x .$ Refractive index of $2^{nd}$ transparent plate is
A bulb is kept at a depth h inside water of refractive index $' n' $. Area of the bright patch on the water surface is
The derivative of $\cos^{-1}\left(\frac{1-x^{2}}{1+x^{2}}\right) $ with respect to $\cot^{-1} \left(\frac{1-3x^{2}}{3x-x^{3}}\right)$ is
The function $f(x) = \begin{cases} x^2 & \quad \text{for } x < 1\\ 2 - x & \quad \text{for } x \geq 1 \end{cases}$ is
Which one of the following is not ferromagnetic?
To increase the angular width of interference fringes
Coordination number of nickel in$[Ni(C_2O_4)_3]^{4-}$ is
The ratio of forces between two point charges in the two cases when their separation is halved and when it is doubled, is
The maximum value of $ f(x) = \frac{\log x}{x} , 0 < x < \infty$ is
$A, B$ and $C$ are three voltmeters of resistances $4000 \, \Omega , 6000 \Omega$ and $12000 \Omega$. When a potential difference? is applied between $X$ and $Y$, voltmeter readings are $V_A, V_B$ and $V_C$. Then
0.3 g of an acid is neutralised by 40 $cm^3$ of 0.125 N NaOH. Equivalent mass of the acid is
The value of $[ \vec{a} - \vec{b} \,\,\,\,\,\, \vec{b} - \vec{c} \,\,\,\,\,\, \vec{c} - \vec{a} ]$ where $|\vec{a}| = 1 , |\vec{b} | = 5 , |\vec{c}| = 3 $