List of top Questions asked in JKCET

If getting a number greater than $4$ is a success in a throw of a fair die, then the probability of at least $2$ successes in six throws of a fair die is

The species which cannot serve as an initiator for the free radical polymerisation, is

A solid sphere is rolling down an inclined plane. Then, the ratio of its translational kinetic energy to its rotational kinetic energy is

In an $n-p-n$ transistor, $p$ is

In a cyclic process, the change in the internal energy of a system over one complete cycle

Consider boiling water converting into steam. Under this condition, the specific heat of water is

The number of integer value(s) of $k$ for which the expression $ {{x}^{2}}-2(4k-1)x+15{{k}^{2}} $ $ -2k-7>0 $ for every real number $x$ is/are

Among second period elements/the correct order for first ionisation enthalpy is

$H A$ is a weak acid. At $25^{\circ} C$, the molar conductivity of $0.02\, M\, H A$ is $150\, \Omega^{-1} cm ^{2} mol ^{-1}$. If its $\Lambda_{ m }^{ o }$ is $300\, \Omega^{-1} cm ^{2} mol ^{-1}$, then equilibrium constant of $H A$ dissociation is

Nylon is a

$K_{p} / K_{c}$ for the reaction $A(g)+2 B_{2}(g) \rightleftharpoons A B_{2}(g)$ is

A satellite revolves around the earth of radius $R$ in a circular orbit of radius $3R.$ The percentage increase in energy required to lift it to an orbit of radius $5R$ is

Which of the following is correct statement about the magnitude of the acceleration $a$ of the particle executing simple harmonic motion?

Which of the following is incorrect about sky waves?

A gas at high temperature is cooled. The highest temperature at which liquefaction of gas first occurs is called

The compound formed upon combustion of potassium metal in excess air is

If the plane $ 2x-3y+6z-11=0 $ makes an angle $ \theta $ with the $x-axis$, then the value of $ \tan \theta $ is equal to

Let $A$ and $B$ be points $ (8,\,\,10) $ and $ (18,\,20), $ respectively. If the point $Q$ divides AB externally in the ratio $ 2:3 $ and $M$ is the $S$ mid-point of $AB$, then the length $MQ $ is equal to

The number of tetrahedral and octahedral void per unit cell of cubic closed packed structure is

Assuming density $d$ of a planet to be uniform, we can say that the time period of its artificial satellite is proportional to

When the following amide is treated with $Br_{2}/KOH$, it gives

In an acidified aqueous solution of $Mn ^{2+}, Ni ^{2+}, Cu ^{2+}$ and $Hg ^{2+}$ ions, $H _{2} S$ gas was passed. Precipitates are

If the image of the point $ (1,\,-2,3) $ in the plane $ 2x+3y-z=7 $ is the point $ (\alpha ,\beta ,\gamma ) $ then $ \alpha +\beta +\gamma $ is equal to

The dimension of magnetic flux is

Values for Brewster's angle can be