List of top Questions asked in BCECE- 2008

Two stones are projected with the same speed but making different angles with the horizontal. Their horizontal ranges are equal. The angle of projection of one is $\pi / 3$ and the maximum height reached by it is $102\, m$. Then the maximum height reached by the other in metre is
The angular amplitude of a simple pendulum is $\theta_{0}$. The maximum tension in its string will be
An engine pumps up $100 \,kg$ of water through a height of $10\, m$ in $5 s$. Given that the efficiency of engine is $60 \%$. If $g=10\, ms ^{-2}$, the power of the engine is
The maximum number of molecules is present in
Difference between $S$ and $ S^{2-} $ as $ S^{2-}$ has
Number of atoms of $He$ in $100\, u$ of $He$ (atomic wt of $He$ is $4$) are
If the electric flux entering and leaving an enclosed surface respectively are $\phi_{1}$ and $\phi_{2}$, the electric charge inside the surface will be
$ C{{H}_{3}}C{{H}_{2}}Cl $ undergoes homolytic fission, produces
$ C-C $ bond order in benzene is
Ozone is used for purifying water because
If two molecules of $A$ and $B$ having mass $100 \,kg$ and $64\, kg$ and rate of diffusion of $A$ is $ 12\times 10^{-3}, $ then what will be the rate of diffusion of $B$?
If $200\,MeV$ energy is released in the fission of a single nucleus of ${ }_{92} U ^{235}$, how many fissions must occur per second to produce a power of $1 \,kW ?$
Find ratio of acceleration due to gravity $g$ depth d and at height $h$, where $d = 2h$.
In the propagation of light waves, the angle between the direction of vibration and plane of polarization is
A light emitting diode (LED) has a voltage drop of $2\, V$ across it and passes a current of $10\, mA$. When it operates with a $6\, V$ battery through a limiting resistor $R$, the value of $R$ is
The minimum potential difference between the base and emitter required to switch a silicon transistor ON is approximately
At what speed, the velocity head of water is equal to pressure head of $40 \,cm$ of $Hg$?
A point initially at rest moves along $x$ -axis. Its acceleration varies with time as $a=(6 t+5) \,m / s ^{2} .$ If it starts from origin, the distance covered in $2 s$ is
A solid sphere rolls down two different inclined planes of same height, but of different inclinations. In both cases
If $E=$ energy, $G=$ gravitational constant, $I=$ impulse and $M=$ mass, then dimensions of $\frac{G I M^{2}}{E^{2}}$ are same as that of