DCE CEE Previous Year Paper 2003 - JEE MCQ

The ratio of the energy of a photon with λ = 150 nm to that with λ = 300 nm is : ​

Three capacitors of capacitance 1μF, 2μF, and 3μF are connected in series and a PD of 11 V is applied across the combination. Then, the PD across the plates of 1μF capacitor is : ​

When a proton, anti-proton annihilate, the energy released is : ​

The vector product of the force (F)and distance (r) from the centre of action represents :​

What is the ratio of heat generated in R and 2R?​

A satellite is orbiting around the earth with orbital radius R and time period T. The quantity which remain constant is : ​

The SI unit of surface tension is :​

If L = 2.331 cm, B = 2.1 cm, then L + B = : ​

Which of the following explain that all galaxies are receding from us?​

In determining the temperature of a distant star, one makes use of : ​

A beam of electrons and protons move parallel to each other in the same direction, then they : ​

The motion of planets in the solar system is an example of conservation of : ​

There are two wires of the same length. The diameter of second wire is twice that of the first. On applying the same load to both the wires, the extension produced in them will be in ratio of : ​

What is the net force on an electron placed at the centre of the bcc structure of CsCl?​

Which graph pertains to uniform acceleration?

At the magnetic poles of the earth, a compass needle will be :​

If E = at + bt ² , what is the temperature of inversion?​

The spring balance inside a lift suspends an object. As the lift begins to ascend, the reading indicated by the spring balance will : ​

A proton and anα-particle are projected normally into a magnetic field. What will be the ratio of radii of the trajectories of the proton and α-particle? ​

What is the electric potential at the centre of the square?

A train started from rest from a station and accelerated at 2 ms -2 for 10 s. Then, it ran at constant speed for 30 s and thereafter it decelerated at 4 ms -2 until it stopped at the next station. The distance between two stations is :

What is the maximum acceleration of the particle doing the SHM? y = 2 sin[(πt/2) + ф] where 2 is in cm.

In the following figure, four curves A, B, C and D are shown. The curves are :​

The work done in deforming a body is given by :​

In diffraction from a single slit, the angular width of the central maxima does not depend on :​

A sphere of mass m and radius r is falling in the column of a viscous fluid. Terminal a velocity attained by falling object is proportional to : ​

At the centre of a circular coil of radius 5 cm carrying current, magnetic field due to earth is 0.5 x 10 ^-5Wb/ m2 . What should be the current flowing through the coil so that it annuals the earth's magnetic field :​