List of top Questions asked in JKCET

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

Which one of the following is aromatic?

The number of molecules in $18 \,mg$ of water in terms of Avogadro number $N$ is

The set of quantum numbers $ n=4,l=0 $ and $ s=+\frac{1}{2} $ correspond to the most loosely bound, ground state electron of which one of the following atoms?

In a transistor, the base is

In AC circuit Ohm's law is applicable for

The solubility product of a sparingly soluble metal hydroxide $M ( OH )_{2}$ at $298 \,K$ is $5 \times 10^{-16} mol ^{3} d m^{-9}$. The $pH$ value of its aqueous and saturated solution is

The total number of acyclic structural and optical isomers possible for a hydrocarbon of molecular formula $ C_{7}H_{16} $ is

The bacteriostatic antibiotic among the following is

If the equation $ (a+1){{x}^{2}}-(a+2)x+(a+3)=0 $ has roots equal in magnitude but opposite in signs, then the roots of the equation are

The shortest wavelength of $X$-rays coming from an $X$-ray tube depends on the

In Young's double slit experiment, the fringe width with light of wavelength $6000 \,?$ is $3 \,mm$. The fringe width, when the wavelength of light is changed to $4000 \,?$ is

The correct vector relation between linear velocity $ \vec{v} $ and angular velocity $ \vec{\omega } $ in rigid body dynamics is ( where $ \vec{r} $ is the position vector)

In which one of the following equilibria, the increase of pressure over the equilibrium will favour the reaction?

When an excess and a very dilute aqueous solution of $ KI $ is added to a very dilute aqueous solution of silver nitrate, the colloidal particles of silver iodide are associated with the Helmholtz double layer

If $ (3,\,\,3) $ is a vertex of a triangle and $ (-3,\,\,6) $ and $ (9,\,\,6) $ are the mid points of the two sides through this vertex, then the centroid of the triangle is

The maximum range of a projectile is $ 100\,m $ . The maximum height reached by it is

Which one of the following is the correct quadratic form of the Ostwald's dilution law equation?

When the cold and hot junctions of a thermocouple are interchanged, the thermo emf

Magnetic field at the centre of a coil in the form of a square of side $ 2\,cm $ carrying a current of $ 1.414\,A $ is

Which one of the following aqueous solutions of salts has the lowest, pH value?

A uniformly wound coil of self-inductance $ 1.2\times 10^{-4}H $ and resistance $ 3\,\Omega $ . is broken up into two identical coils. These coils are then connected parallel across a $ 6\,V $ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

How much volume of oxygen at $STP$, in litre is required to burn $4\,g$ of methane gas completely?