List of top Questions asked in Punjab PMET

Which of the following statements is incorrect?
Which of the following statements is incorrect ?
Which of the following statements is incorrect ?
A large ship can float but a steel needle sinks because of:
After 2 h $\frac{1}{16} th $ of initial amount of a certain radioactive isotope remains undecayed. The half-life of the isotope is
A bomb explodes on the moon. How long will it take for the sound to reach the earth?
$10\, g$ of ice at $0^{\circ}\,C$ is mixed with $100\, g$ of water at $50^{\circ}\,C$. What is the resultant temperature of mixture?
When pressure is applied to the equilibrium system ice $\rightleftharpoons$ water. Which of the following phenomenon will happen ?
If a person sitting in a train moving with a constant velocity along a straight line, throws a ball vertically upwards then
A cylindrical bar magnet is kept along the axis of a-circular coil. If the magnet is rotated about its axis, passing through the centre, perpendicular to the face, then:
In simple harmonic motion maximum velocity is at
A spring has length $l$ and spring constant $k$ . If spring is divided in two equal parts then spring constant of each part is
A current of strength $2.5$ amp was passed through $CuSO _{4}$ solution for 6 minutes $26$ seconds. The amount of copper deposited is : (At. wt. of $Cu =63.5,1\, F =96500$ coulomb $)$
The X-ray cannot be diffracted by means of an ordinary grating due to
The effective acceleration of a body, when thrown upwards with acceleration $a$ will be
The charge on an electron was discovered by:
Degree of dissociation of $NH _{4} OH$ in water is $1.8 \times 10^{-5}$, then hydrolysis constant of $NH _{4} Cl$ is :
Slope between $ PV $ and $ P $ at constant temperature is:
For $A \longrightarrow B, \Delta H=4\, Cal\, mol ^{-1}\,\Delta S=10\, Cal\, mol ^{-1}\, K ^{-1}$ reaction is spontaneous when temperature can be :
What amount of water is added in $40\, ml$ of $NaOH (0.1\, N )$ which is neutralized by $50\, ml$ of $HCl (0.2\, N )$ ?
Mole fraction of a solute in benzene is $0.2$ then find molality of solute:
Unit of rate constant of zero order reaction is:
Which of the following is more acidic in nature?
The alcohol manufactured from water gas is
In a reflecting astronomical telescope, if the objective (a spherical mirror) is replaced by a parabolic mirror of the same focal length and aperture, then