List of top Questions asked in COMEDK UGET

Force of attraction between two parallel current-carrying conductors is $F$ newton per meter. Current through each of them is doubled and reversed. New force in $N/m$ between these conductors is
A particle is projected with velocity 100 mis at 30?. Time of flight is
Which one of the following does not exist in $\alpha$ and $\beta$ forms?
The projection of $\vec{a} = 5\hat{i} - \hat{j} + 3 \hat{k}$ on $\vec{b} = 2 \hat{i} + \hat{j} - \hat{k}$ is
Which one of the following is not a colloid?
In sugar industry, activated charcoal is used for the decolourisation of cane juice as
In the removal of silica during smelting, the flux used is
Lead metal is purified by
$-M$ effect is shown by
Oleum is
Sulphur dioxide is prepared by the action of
Two spherical black bodies of radii $r_1$ and $r_2$ at temperatures $T_1$ and $T_2$ respectively, radiate same power. Then $\frac{r_1}{ r_2}$ must be equal to
Which one of the following is not affected by concentrated sulphuric acid ?
In a triangle $ABC$ if $\begin{vmatrix}1&a&b\\ 1&c&a\\ 1&b&c\end{vmatrix} = 0$, then $\sin^2 A + \sin^2 B + \sin^2 C = $
A constant force acts on two different masses independently producing accelerations $a_1$ and $a_2$. When the same force acts on their combined mass, the acceleration produced is
Equivalent mass of potassium permanganate in acid medium is
The magnitude of the magnetic force on a charge is zero when
If the area of triangle formed by the points $(\alpha, 0), (0, 1)$ and $(-1, 0)$ is 20 s units, then $\alpha$ is
The area of the triangle whose vertices are $A = (1, -1, 2), B = (2, 1, -1)$ and $C = (3, -1, 2)$ is
The coordinates of the circumcentre of the triangle with vertices $(2, 3), (4, -1) $ and $ (4, 3) $ are
A mixture of aniline and chlorobenzene can, be separated using
The mass of $CaCO_3$ that completely reacts with 1 $dm^3$ of IN hydrochloric acid is
The molecular formula of Ruby silver is
The number of positive divisors of 67375 which are greater than 5 is
The differential equation whose general solution is $Ax^2 + By^2 = 1$, where $A$ and $B$ are arbitrary constants is of ?