List of top Questions asked in AIIMS

Two parallel long wires A and B carry currents $i_1$ and $i_2 (< i_1)$. When $i_1$ and $i_2$ are in the same direction, the magnetic field at a point mid way between the wires is $10 \,\mu\,T$. If $i_2$ is reverse the field becomes $30\, \mu T$. The ratio $i_1/i_2$ is
Two conducting circular loops of radii $R_{1}$ and $R_{2}$ are placed in the same plane with their centres coinciding. If $R_{1} >\, R_{2}$ the mutual inductance $M$ between them will be directly proportional to
Three charged particles are collinear and are in equilibrium, then
The period number in the long form of the periodic table is equal to
The $KE$ of the electron in an orbit of radius $r$ in hydrogen atom is ($e$ = electronic charge)
The entropy change involved in the isothermal reversible expansion of $2$ moles of an ideal gas from a volume of $10\, dm ^{3}$ at $27^{\circ} C$ is to a volume of $100\, dm ^{3}$
The diameter of the plate of a parallel plate condenser is $6\,cm$. If its capacity is equal to that of a sphere of diameter $200\, cm$, the separation between the plates of the condenser is
The $C_{4}$ plants differ from $C_{3}$ plants with reference to the
Strongest conjugate base is
Rhombic sulphur dissolves best in
Refer the given figure of digestive system of earthworm and identify the part labelled X.
Purification of colloids is done by
Monomers of nylon 2-nylon 6 ar
Match column I with column II and select the correct option from the given codes.
Maltose is made of the units
$KMnO_4$ in alkaline medium changes to
In presence of acidic medium, $KMnO_4$ converts $H_2S$ into
In O molecule, the formal charge on the central O-atom is
In electrorefining of copper some gold is deposited at
In Clemmensen reduction, carbonyl compound is treated with
If the length and area of cross-section of a conductor are doubled, then its resistance will be
How are transformants selected from nontransformants?
'Cladode' is a characteristic morphological feature of
Removel of keystone species cause serious disruption in the functioning of the community. Keystone species are low in abundance (or biomass) than the dominant species.
Atretic follicles are found in the