List of top Questions asked in JKCET

Colours in thin films are due to

When chlorine reacts with dil. $NaOH$ under cold conditions, the oxidation state of chlorine changes from zero to

The phenomenon observed when a beam of light is passed through a colloidal solution, is

Abnormal colligative properties are observed only when the dissolved non-volatile solute in a given dilute solution

$ \frac{x-y}{x}+\frac{1}{2}{{\left( \frac{x-y}{x} \right)}^{2}}+\frac{1}{3}{{\left( \frac{x-y}{x} \right)}^{3}}+.... $ =

According to $VSEPR$ theory the repulsion between different pair (lone or bond) of electrons obey the order

From the molecular orbital theory, one can show that the bond order in $F_{2}$ molecule as

Differentiating electron in inner transition elements enters the ......... orbital.

The nature of the bond in diamond is

What is (are) number $(s)$ of unpaired electrons in the square planar $[Pt(CN)_4]^{2-}$ ion?

Two vectors are given by $\vec{A}=3 \hat{i}+\hat{j}+3 \hat{k}$ and $\vec{B}=3 \hat{i}+5 \hat{j}-2 \hat{k}$. Find the third vector $\vec{C}$, if $\vec{A}+3 \vec{B}-\vec{C}=\vec{0}$.

The motion of the centre of mass is the result of

From the top of a tower a body $A$ is projected vertically up, another body $B$ is horizontally thrown and a third body $C$ is thrown vertically down with same velocity. Then

The only mechanical quantity which has negative dimension of mass is

If the extremities of a diagonal of a square are $ (1,-2,3) $ and $ (2,-3,5) $ then the length of the side is

The solutions of $ x+\sin \,5x=\sin 3x $ in $ \left( 0,\frac{\pi }{2} \right) $ are

Let $A$ be a square matrix and $ {{A}^{T}} $ is its transpose, then $ A+{{A}^{T}} $ is

If $ \alpha ,\beta ,\gamma $ are the roots of the equation $ {{x}^{3}}-7x+7=0, $ then $ \frac{1}{{{\alpha }^{4}}}+\frac{1}{{{\beta }^{4}}}+\frac{1}{{{\gamma }^{4}}} $ is

If $ P=(0,1,2),\,\,Q=(4,-2,1),O=(0,0,0), $ then $ \angle POQ $ is equal to

Through the point $ P(\alpha ,\,\beta ,\,\,\gamma ) $ a plane is drawn at right angles to OP to meet the coordinate axes are A, B,. C respectively. If $ OP=p, $ then equation of plane $ ABC$ is

At $ x=\frac{3}{2} $ the function $ f(x)=\frac{|2x-3|}{2x-3} $ is

Derivative of $ {{\log }_{10}}\,x $ with respect to $ {{x}^{2}} $ is

If the difference between the roots of $ {{x}^{2}}+ax-b=0 $ is equal to the difference between the roots of $ {{x}^{2}}-px+q=0, $ then $ {{a}^{2}}-{{p}^{2}} $ in terms of $b$ and $q$ is

If $ x\left[ \begin{matrix} -3 \\ 4 \\ \end{matrix} \right]+y\left[ \begin{matrix} 4 \\ 3 \\ \end{matrix} \right]=\left[ \begin{matrix} 10 \\ -5 \\ \end{matrix} \right], $ then

If $ \frac{1+\cos A}{1-\cos A}=\frac{{{m}^{2}}}{{{n}^{2}}}, $ then $tan\, A$ =