List of top Questions asked in Haryana PMT

Which of the following molecules has pyramidal shape?

The first diffraction minimum due to single slit diffraction is $ \theta $ , for a light of wavelength $5000\,?$. If the width of the slit is $ 1\times 10^{-4}, $ then the value of $\theta$ is :

The magnetic force on a point charge is $\vec{ F }= q (\vec{ V } \times \vec{ B })$ Here, $q=$ electric charge $\vec{ V }=$ velocity of point charge $\vec{ B }=$ magnetic Held The dimension of $\vec{B}$ is :

A body initially at rest is moving with uniform acceleration $a$. Its velocity after $n\, s$ is $v$. The displacement of the body in $2\, s$ is :

A velocity of a particle at an instant is $10\, m / s$. After $3\, s$ its velocity will become $16\, m / s$. The velocity at $2\, s$, before the given instant will be :

Two stones are projected with same velocity $v$ at an angle $\theta$ and $(90-\theta)$. If $H$ and $H_{1}$ are the greatest heights in the two paths, what is the relation between $R , H$ and $H_{1}$ ?

A weight $w$ is suspended from the midpoint of a rope, whose ends are at the same level. In order to make the rope perfectly horizontal, the force applied to each of its ends must be:

A particle moves with a velocity $(5i -3j + 6k) ms^{-1}$ undre the influence of a constant force $F=(10 i +10 j +20 K)N .$ The instantaneous power applied to the particle is

Two coherent sources of intensity ratio $ \beta $ interfere. Then the value of $ (I_{\max }-I_{\min })/(I_{\max }+I_{\min }) $ is:

In the reaction $ A(s)+B(g)+$ heat $ \rightleftharpoons 2C(s)+2D(g) $ at equilibrium, pressure of $B$ is doubled to re-establish the equilibrium. The factor by which concentration of $D$ is changed, is:

The factor responsible for lower mercury level ina capillary tube is

The charge on capacitors in the following figure is

The liquid crystal method is applicable to locate avein in the body because

The compound used for the preparation of $UF_6$ in the enrichment of ${92}_U^{235}$ is

The Van't Hoff factor $'i'$ accounts for

The order of reactivity of the following alcohols towards conc. $ HCl $ is:

The number of isomers which can be represented by formula $ C_{2}FClBrI $ , is:

The acid, not suitable for the preparation of hydrogen by the action of metals, is:

The geometry of $H_2S$ and its dipole moment are

Which of the following gas has highest heat of combustion?

The force required to just move a body up an inclined plane is double the force required to just prevent it from sliding down. If $\theta$ is the angle of friction and $\theta$ is the angle which the plane makes with the horizontal, then :

Hippocampus (Sea Horse) belongs to the class

Double fertilization was discovered by:

Double fertilization was discovered by:

Which of the following communicate by means of pheromones ?