List of top Questions asked in Punjab PMET- 2006

An ice block contains a glass ball. When the ice melts within the water containing vessel, the level of water:

Which of the following metals is most reactive towards water?

The length of second's pendulum is 1 m on earth. If mass and diameter of a planet is doubled than that of earth, then its length becomes

What effect occurs on the frequency of a pendulum if it is taken from the earth's surface to deep into a mine?

Which of the following statements is incorrect?

The angle between the dipole moment and electric field at any point on the equatorial plane is

The potentials of the two plates of capacitors are $+10\, V$ and $-10\, V$. The charge on one of the plates is $40\, C$. The capacitance of the capacitor is

Which of the following statements is incorrect?

To increase magnifying power of telescope, we should increase:

Which of the following statements is incorrect?

The acidity of hydrides of $O , S , Se$, Te varies in the order :

Which of the following molecules has pentagonal bipyramidal shape?

The stability of complexes of $ C{{u}^{2+}},\,\,N{{i}^{2+}},\,\,C{{o}^{2+}} $ and $ F{{e}^{2+}} $ varies in the order:

The relative Lewis acid character of boron trihalides is in the order:

Molecular orbital electronic configuration for $' X'$ anion is : $K K^{*}(\sigma 2 s)^{2}\left(\sigma^{*} 2 s\right)^{2}\left(\pi 2 p_{x}\right)^{2}\left(\pi 2 p_{y}\right)^{2}\left(\sigma 2 p_{z}\right)^{2}$ $\left(\pi^{*} 2 p_{x}\right)^{1}$. The anion ' $X$' is :

Which of the following statements is incorrect?

The bond order of $ O_{2}^{+},\,\,{{O}_{2}},\,\,O_{2}^{2-} $ and $ O_{2}^{-} $ varies in the order:

The mass of a photon with wavelength $ 3.6\,??$ is:

An electron with values $4, 2, -2$ and $+1/2$ for the set of four quantum numbers $ n,\,\,l,\,\,{{m}_{l}} $ and $ s $ respectively, belongs to:

Which of the following compounds is the strongest acid?

The magnitude of any physical quantity

The crystal of diamond shines due to

If $ \sigma $ = surface charge density, $ \varepsilon $ = electric permittivity the dimensions of $ \frac{ \sigma}{ \varepsilon } $ are same as

If L is the coherence length and c the velocity of light, the coherent time is

For a wire of length $l$ , maximum change in length under stress condition is $2 \,mm$. What is the charge in length under same conditions when length of wire is halved?