List of top Questions asked in COMEDK UGET

Which of the following is an intensive property?
A reaction is spontaneous at all temperatures when
The adsorption of an inert gas on activated charcoal increases with
When the same amount of electricity is passed through solutions of silver nitrate and copper sulphate, 0.4 g copper is deposited. The amount of silver deposited is
A star is moving away from the Earth with speed $V$. Change in wavelength $(d\lambda)$ observed on Earth is
With the addition of impurities surface tension of a liquid
Viscosity decreases with increase in temperature is the reason for (i) hot water moving faster than cold water (ii) more viscous oils are used in motor cars during summer than in winter
$_6C^{14}$ and $7_N^{15}$ are examples of
If the Earth shrinks in its size (radius) mass remaining the same, the value of g on its surface will
Distance between two point charges is increased by 20%. Force of interaction between the charges
A $CE$ amplifier has current gain 50. Load resistance is $4 \, k\Omega$ and input resistance is $500 \, \Omega . 10 \, m V \, AC$ signal is applied. Peak value of output signal is
A calcite crystal is placed over a dot on a paper sheet and the crystal is rotated. On viewing through the calcite one sees
90 dB sound is x times more intense than 40 dB sound, then x is
The square of the resultant of two equal forces acting at a point is equal to three times their product. Angle between them is
Two rods of same area of cross section and lengths, and conductivities $K_1$ and $K_2$ are connected in series. Then, in steady state conductivity of the combination is
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 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
If only 2% of the main current is to be passed through a galvanometer of resistance G, the resistance of shunt should be
In the group $\{1, 2, 3, 4, 5, 6\}$ under multiplication mod $7, 2^{-1} \times 4 =$
Lysine is
In the detection of III group basic radicals, $ {NH4OH}$ is added after $ {NH_4Cl}$ to
$n $ type and $p$ type semiconductors can be obtained by doping pure silicon respectively with
Electrolysis of brine gives a mixture of