List of top Questions asked in JKCET- 2007

A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet. If the period of original magnet is $T$, the period of new magnet is
The coordinates of a moving particle at any time $t$ are given by $x=\alpha t^{3}$ and $y=\beta t^{3}$. The speed of the particle at time $t$ is given by
In breakdown region, a Zener diode behaves as a
The colloidal system of a solid dispersed in liquid medium, is called
The presence of electric charge on colloidal particles is indicated by the property, called
Two unlike charges of the same magnitude $Q$ are placed at a distance $d$. The intensity of the electric field at the middle point in the line joining the two charges
A heavy uniform rod is hanging vertically from a fixed support. It is stretched by its own weight. The diameter of the rod is
Pure water does not conduct electricity because it is
A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of the ball is
The probability of choosing a number divisible by $6$ or $8$ from among $1$ to $90$ is
A particular force $(F)$ applied on a wire increases its length by $2 \times 10^{-3} m$. To increase the wire's length by $4 \times 10^{-3} m$ the applied force will be
The oxidation state of chromium in chromium trioxide is
The protective action of different lyophilic colloids is expressed in terms of
The reaction intermediate produced, by homolytic cleavage of a bond is called
Two free parallel wires carrying currents in the opposite directions
Two liquid drops have diameters of $1\, cm$ and $1.5\, cm$ The ratio of excess of pressures inside them is
The escape velocity of a body from the earth is $v_{e}$ . If the radius of earth contracts to $ \frac{1}{4}th $ of its value, keeping the mass of the earth constant, the escape velocity will be
The catalyst used in the manufacture of $H_{2}SO_{4}$ by contact process is
The osmotic pressure is expressed in the units of
Work done in converting one gram of ice at $ -10^{\circ}C $ into steam at $100^{\circ}C $ is
Nucleotide consists of
The hybridisation of the ipso-carbon in chlorobenzene is
A body of mass $10\, kg$ is acted upon by two forces each of magnitude $10\, N$ making an angle of $60^{\circ}$ with each other. Find the net acceleration of the body.
The least angle of deviation for a glass prism is equal to its refracting angle. The refractive index of glass is $ 1.5 $ . Then the angle of prism is
When three dice are thrown the probability of getting a $4$ or $5$ so on each of the dice simultaneously is