List of top Questions asked in JKCET- 2009

The velocity of an electromagnetic wave in vacuum can be changed by changing
When a wave undergoes refraction
Which one of the following is strongest Lewis acid ?
The resistance of an ideal voltmeter is
If the sum to $2n$ terms of the $ A.P. \text{ }2,\text{ }5,\text{ }8,11,... $ is equal to the sum to $n$ terms of the $\text{ }57,\text{ }59,\text{ }61,\text{ }63,\text{ }...\text{ }, $ then $n$ =
In a moving coil galvanometer, to make the field radial
A particle is executing linear simple harmonic motion. The fraction of the total energy that is potential, when its displacement is $ \frac{1}{4} $ of the amplitude is
Electric flux emanating through a surface element $ \overrightarrow{ds}=5\hat{i} $ placed in an electric field $ \vec{E}=4\hat{i}+4\hat{j}+4\hat{k} $ is
Energy stored per unit volume of a parallel plate capacitor having plate area $A$ and plate separation d when charged to a potential of $V$ volts is (air space in between the plates)
The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at $27^{\circ} C$ is $25 \,g \,mol ^{-1}$. Therefore, its ionization percentage in this solution is
The percentage of carbon in cast iron is
Which one of the following molecules is paramagnetic?
The most acidic among the following is
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
If the ratio of the rates of diffusion of two gases $A$ and $B$ is $4 : 1$, the ratio of their densities in the same order is
The auto reduction process is not used in the metallurgy of
The oxidation numbers of the sulphur atoms in peroxomonosulphuric acid $ (H_{2}SO_{5}) $ and peroxodisulphuric acid $ (H_{2}S_{2}O_{8}) $ are respectively

Which one of the following is \(d\) block element?

The composition of bell metal is
Which of the following has maximum laevorotatory nature ?
The working principle of rocket propulsion is conservation of
The nuclear force
The relation connecting magnetic susceptibility $ \chi_{m} $ and relative permeability $ \mu _{r} $ is
The average power dissipated in a pure capacitance $AC$ circuit is
The number of molecules in $18 \,mg$ of water in terms of Avogadro number $N$ is