List of top Questions asked in Haryana PMT- 2005

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

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

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:

Which of the following communicate by means of pheromones ?

Double fertilization was discovered by:

Carrot is micropropagated through

Endosperm of gymnosperms

Budding method of asexual reproduction is found in

Cartilaginous fishes belong to the class

To which of the following category dinosaurs belong ?

The part which is grafting on stalk of another tree is called

Two radioactive substances $A$ and $B$ have decay constants 5 $\lambda$, and $\lambda$ respectively. At $t\, =\, 0$, they have the same number of nuclei. The ratio of number of nuclei of $A$ to those of $B$ will be $(1/e^2)$ after a time

A small body of mass $m$ slides without friction from the top of a hemisphere of radius $r$. At what height will the body be detached from the centre of the hemisphere?