List of top Questions asked in BHU UET

Two streams of protons move parallel to each other in the same direction. Then these
A machine gun is mounted on a $200 \,kg$ vehicle on a horizontal smooth road (friction negligible). The gun fires $10$ bullets/s with a velocity of $500 \,ms$ lf the mass of each bullet be $10\, g$, what is the acceleration produced in the vehicle?
A ray of light is incident on the surface of separation of a medium with the velocity oflight at an angle $45^{\circ}$ and is refracted in the medium at an angle $30^{\circ}$. What will be the velocity of light in the medium?
White light may be considered to be a mixture of wave with $\lambda$ ranging between $3000 \,?$ and $7800\,?$. An oil film of thickness $10,000\,?$ is examined normally by the reflected light. If $\mu=1.4$, then the film appears bright for
A stationary particle explodes into two particles of masses $m_1$ and $m_2$ which move in opposite directions with velocities $v_1$ and $v_2$. The ratio of their kinetic energies $E_1 /E_2$ is
Most favourable condition for ionic bonding are
Which of the following is not an accessory pigment?
Monera devoid of cell wall are
ln a Wheatstone's bridge all the four arms have equal resistance $R$. If the resistance of the galvanometer arm is also $R$, the equivalent resistance of the combination as seen by the battery is
A solution has $ H^{+} $ ion concentration $0.0005\, M$. Its $ pOH $ is
The rate of diffusion of methane at a given temperature is twice that of a gas $X$. The molecular mass of $X$ is
In case of a forced vibration, the resonance wave becomes very sharp when the
$75 \%$ of a first order reaction was completed in $32\, min$, when was $50 \%$ of the reaction completed?
For a zero order reaction, $A \longrightarrow P, t_{1 / 2}$ is (k is rate constant)
In Pinus, male cone bears a large number of:
The weight of one molecule of a compound $C _{60} H _{122}$ is
A charge $q$ is located at the centre of a cube. The electric flux through any face is
An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The Coulomb force F between the two is $ \bigg( {where} \, k = \frac{1}{ 4 \pi \varepsilon_0}\bigg)$
A charged particle moves through a magnetic field in a direction perpendicular to it. Then the
"Parsec" is the unit of
Osphradium of Pila globosa is
The amount of heat released when $20\, mL$ of $0.5 \,M \,NaOH$ is mixed with $100 \,mL$ of $0.1 \,M \,HCl$ is $x \,kJ$. The heat of neutralisation (in $kJ \,mol ^{-1}$ ) is
When phosphorus reacts with caustic soda, the products are $PH _{3}$ and $NaH _{2} PO _{2}$. This reaction is an example of
For a gaseous reversible reaction, which of the following expressions is correct?
Which of the following nerve is purely motor nerve?