List of top Questions asked in JKCET- 2005

Density of liquid in CGS system is $ 0.625\,g/cm^{3} $ What is its magnitude in SI system?

The boiling point of water decreases at high altitudes because

Glycerol is an alcohol which can be classified as

For protecting a sensitive equipment from external magnetic field, it should be

If the length of rod $A$ is $ 3.25\pm 0.01\,cm $ and that of $B$ is $ 4.19\pm 0.01\,cm, $ then the rod $B$ is longer than rod $A$ by

Reaction of phenol with chloroform/sodium hydroxide to give $ o- $ hydroxy benzaldehyde involves the formation of

In a solid lattice, the cation has left a lattice site and is located at interstitial position, the lattice defect is

$ \Delta G $ for a spontaneous reaction is

Which of the following is not a non-eletrolyte?

The tendency of an electrode to lose electrons is known as

Which of the following is not an endothermic reaction?

Petrol engine does the work during

A circular coil of $20$ turns and radius $10 \,cm$ is placed in uniform magnetic field of $ 0.10\,T $ normal to the plane of the coil. If the current in coil is $5 \,A$, then the torque acting on the coil will be

A geostationary satellite is revolving around the earth. To make it escape from gravitational field of earth, its velocity must be increased

What is the mass of $ 2\,L $ of nitrogen at $ 22.4\,arm $ pressure and $ 273\,K $ ?

A perfect black body is one whose emissive power is

The chemical equivalent of copper and zinc are $32$ and $108$ respectively. When copper and silver voltmeter are connected in series and electric current is passed through for sometimes, $ 1.6\,g $ of copper is deposited. Then, the mass of silver deposited will be

The electric field due to an electric dipole at a distance $r$ from its centre in axial position is $E$. If the dipole is rotated through an angle of $ 90^{\circ} $ about its perpendicular axis, the electric field at the same point will be

Two simple pendulums of lengths $ 1.44\,m $ and $ 1 m $ start swinging together. After how many vibrations will they again start swinging together?

Three sources of equal intensities with frequencies $400,401$ and $402\, vib/s$ are sounded together. The number of beat/s is

Methylphenyl ether can be obtained by reacting

A wave has velocity $u$ in medium $P$ and velocity $ 2u $ in medium $Q$. If the wave is incident in medium $P$ at an angle $ 30^{\circ}, $ then the angle of refraction will be

For spheres each of mass $M$ and radius $R$ are placed with their centres on the four comers $A, B, C$ and $D$ of a square of side $b$. The spheres $A$ and $B$ are hollow and $C$ and $D$ are solids. The moment of inertia of the system about side $AD$ of square is

Two pendulums begin to swing simultaneously. If the ratio of the frequency of oscillations of the two is $ 7:8, $ then the ratio of lengths of the two pendulums will be