List of top Questions asked in COMEDK UGET- 2009

A stone dropped from the top of a tower reaches ground in 4 s. Height of the tower is $(g = 10 \, m/s^2)$
Dielectric constant of a metal is
In the detection of III group basic radicals, $ {NH4OH}$ is added after $ {NH_4Cl}$ to
In the titration of Mohr's salt against $ {KMnO_4}$ the indicator used is
The value of $\int \frac{10^{x/2}}{\sqrt{10^{-x} - 10^{x}}}dx$ is
In the group $\{1, 2, 3, 4, 5, 6\}$ under multiplication mod $7, 2^{-1} \times 4 =$
Lysine is
If only 2% of the main current is to be passed through a galvanometer of resistance G, the resistance of shunt should be
Electrolysis of brine gives a mixture of
$n $ type and $p$ type semiconductors can be obtained by doping pure silicon respectively with
Potential energy of two charges $10 \, nC$ each separated by a distance of 0.09 m in air is
Specific resistance of a conductor material increases with
Quality factor of a series $LCR$ circuit decreases from 3 to 2. Resonant frequency is $600 \, Hz$. Change in band width is
The lowering in vapour pressure is maximum for
In benzene, each carbon atom undergoes
Highest osmotic pressure is shown by a solution of
Power factor of a series $LCR $ circuit is
Proton and $\alpha$ particle have the same deBroglie wavelength. Which one is the same for both of them ?
When phenol is treated with chloromethane in presence of $AlCl_3$ we get
The argument of the complex number $\sin\left(\frac{6\pi}{5}\right) + i\left(1 +\cos \frac{6\pi}{5}\right) $ is
The metal hydroxide which is soluble in excess of ammonium hydroxide is
An example of a sulphur containing amino acid is
The ebullioscopic constant is the elevation in boiling point produced by
Pure water is neutral because
In the Molisch reagent, the substance used is