List of top Questions asked in COMEDK UGET- 2014

The universal gas law $\left( \frac{PV }{T} = { constant} \right)$ is applicable to
Which one of the following represents uniform motion ?
The $TV$ signals have a bandwidth of $3.7\, MHz$. The number of $TV$ channels that can be accommodated with a band of $3700 \,GHz$ is
A hospital uses an ultrasonic scanner to locate tumors in a tissue. The operating frequency of the scanner is $4.2 \, MHz$. The speed of sound in a tissue is $1.7 \, km \, s^{-1}$. The wavelength of sound in the tissue
For $S_N1$ reaction, the order of reactivity of haloalkanes is
An orbital with $n = 3, l = 1$ is designated as
A crystalline solid has $A^-$ ions at the corners and face centres whereas $B^+$ ions are at the body centre and edge centres of the unit cell. The simplest formula of the compound will be
The subtangent at $x = \pi/2$ on the curve $y = x \sin x $ is
Let $x$ be a number which exceeds its square by the greatest possible quantity, then $x$ =
One mole of $PCl_5$ is heated in a closed 2 $dm^3$ vessel. At equilibrium 40% $PCl_5$ is dissociated. Calculate the equilibrium constant.
The temperature of an object is $60^{\circ} C$. Its value in Fahrenheit scale is
Sulphur sol is a type of
Van't Hoff factors of equimolal solutions of sodium chloride, barium chloride and glucose in water are
When $2$-bromopentane is heated with alcoholic solution of potassium hydroxide, the major product obtained is
Einstein was awarded Nobel prize for his work in
One second is defined as
Vapour pressure of water at $293\, K$ is $17.535\, mm \,Hg$. The vapour pressure of water at $293 \,K$ containing $25 \,g$ of glucose dissolved in $450\, g$ of water is
The value of $\sin \left[\cot^{-1}\{{\cos(tan^{-1}\,x)\}}\right]$ is
The unstable intermediate dichlorocarbene $ {[:CCl_2]}$ is formed during
$aP + bQ \to $ Products, when $[P]$ is doubled keeping $[Q]$ constant rate increases $2$ times, when $[P]$ is constant and $[Q]$ is doubled, rate increases four times. The overall order is
On an average, a human heart is found to beat $72$ times a minute. Its frequency and period are
The mutual inductance between two coils depends upon
Find the energy equivalent of one atomic mass unit in joules and in $MeV$.
An aeroplane is flying horizontally with a velocity of $360\, km\, h^{-1}$. The distance between the tips of the wings of the aeroplane is $50\, m$. The vertical component of the earth's magnetic field is $4 \times 10^{-4} \, Wb \, m^{-2}$. The induced e.m.f. is
Atomic numbers of vanadium, chromium, nickel and iron are $23, 24, 28$ and $26$ respectively. Which one of these is expected to have the highest second ionization enthalpy?