List of top Questions asked in MET- 2008

A radioactive nucleus emits 3 $\alpha$-particles and 2 $\beta$-particles. The ratio of the initial atomic number to the final atomic number is:

If an electron drops from $n=4$ to $n=2$ in a hydrogen atom, the series of spectral lines observed is:

The half-life of a radioactive element is 10 days. The time required for 75% of the element to decay is:

Comparing $y = a \sin(\omega t - kx)$ with $y = 0.1 \sin(100\pi t - kx)$, the angular velocity $\omega$ is:

Two identical spheres A and B have charge $q$ and are distance $r$ apart. A third identical uncharged sphere C is touched to B and placed at the midpoint. The force on C is:

Magnetic moment ($\mu$) for an electron moving in a circular path of radius $r$ with frequency $\nu$ is:

From Kepler's third law, the square of the period of revolution ($T$) is proportional to the cube of the semi-major axis ($R$). If a planet has $T_{p = 27T_{e}$, then:

Three equal masses M are placed at the vertices A, B, and C of an equilateral triangle. The net force acting on a unit mass placed at the centroid O is:

In a turbulent flow, the velocity of the liquid in contact with the walls of the tube is:

A charge is rotated in a circle of radius $r$ around a central charge. The work done is:

When ammonium chloride is added to ammonia solution, the pH of the resulting solution will be:

Surface tension (T) of a liquid is equal to the work (W) required to increase the surface area ($\Delta A$) of the liquid film by unity at constant temperature. If the volume of a big drop is $27 \times$ the volume of a small drop, the change in surface energy is:

Which of the following has highest second ionisation energy?

Lemon gives sour taste because of:

2, 2-dichloro propane on hydrolysis yields:

In van der Waals' equation of state of the gas law, the constant 'b' is a measure of:

Which reaction intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?

Phenols are more acidic than alcohols because:

Lemon gives sour taste because of:

When ammonium chloride is added to ammonia solution, the pH of the resulting solution will be:

Which of the following has highest second ionisation energy?

Phenols are more acidic than alcohols because:

2, 2-dichloro propane on hydrolysis yields:

In van der Waals' equation of state of the gas law, the constant 'b' is a measure of:

Which reaction intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?