List of top Questions asked in AMUEEE- 2012

A particle is thrown vertically up with an initial velocity 9 m/s from the surface of Earth ($take\, g \,= \,10 \,m/s^2$).The time taken by the particle to reach a height of $4\, m$ from the surface second time (in seconds) is

Two trains $A$ and $B$ each of length $400 \,m$ are moving on two parallel tracks with a uniform speed $72\, km\, h^{-1}$ in the same direction with $A$ ahead of $B$. The driver of $B$ decides to overtake $A$ and accelerates by $1\, m \,s^{-2}$. If after $50\, s$, the guard of $B$ just brushes past $A$, what was the original distance between them ?

To coagulate gelatin sol, which one of the following is most effective?

Which will undergo $S _{ N } 2$ reaction faster?

Reaction of propene with diborane followed alkaline hydrolysis in the presence of hydrogen peroxide gives