List of top Questions asked in MET- 2008

A liquid does not wet the sides of a solid if the angle of contact is:

The excess pressure inside a soap bubble of radius $r$ is:

The change in internal energy of a system which has absorbed 2 kcal of heat and done 500 J of work is:

When a source of sound moves towards a stationary observer, the observed frequency is:

The potential energy of a simple harmonic oscillator at its mean position is:

The work done in blowing a soap bubble of radius $r$ and surface tension $T$ is:

The displacement of a particle is given by $x = 3 \sin(5\pi t) + 4 \cos(5\pi t)$. The amplitude of particle is:

If the length of a simple pendulum is increased by 44%, the percentage increase in its time period is:

A radioactive substance has a half-life of 60 min. During 3 hours, the fraction of the substance that has decayed is:

The magnifying power of a telescope is 9. When it is adjusted for parallel rays, the distance between the objective and eye-piece is 20 cm. The focal length of objective and eye-piece are:

In a Young's double slit experiment, if the distance between the slits is halved and the distance of the screen from the slits is doubled, then the fringe width will:

Which of the following does not support the wave nature of light?

The process by which a heavy nucleus splits into two lighter nuclei is called:

In an L-C-R series circuit, at resonance, the phase difference between current and voltage is:

The electric potential at a point on the axial line of an electric dipole is:

Light of wavelength 5000 falls on a sensitive plate with photoelectric work function 1.9 eV. The kinetic energy of the photoelectron is:

The working of a rocket is based on the principle of:

The resistance of an ideal ammeter is:

In a common emitter amplifier, the phase difference between input and output voltage is:

A step-up transformer operates on a 230 V line and supplies a load of 2 A. The ratio of primary to secondary windings is 1:25. The current in the primary is:

The majority charge carriers in a p-type semiconductor are:

The logic gate which produces a LOW output only when all its inputs are HIGH is:

The unit of Planck's constant is:

The de-Broglie wavelength of an electron accelerated through a potential difference of 100 V is:

If the kinetic energy of a free electron doubles, its de-Broglie wavelength changes by the factor: