List of top Questions asked in KCET, JIPMER

Four identical cells of emf $E$ and internal resistance $r$ are to be connected in series. Suppose if one of the cell is connected wrongly, the equivalent emf and effective internal resistance of the combination is
The pair of compound which cannot exist together in solution is
The displacement of a particle varies according to the relation $x = 4(\cos \, \pi t + \sin \, \pi t)$. The amplitude of the particle is
Match items in Column I with those in Column II and select the correct option.

Arrange the following in the order of their increasing masses. \(${(Atomic\, mass : O = 16, N = 14)}$\) I. One atom of oxygen II. One atom of nitrogen III. \($1 \times 10^{-10}$\) mole of oxygen

If $A=\begin{bmatrix} {\alpha}&{2} \\ {2}&{\alpha} \\ \end{bmatrix}$ $| A^3|= 27$then \(\alpha\) is equal to

A spherical shell of radius $10\, cm$ is carrying a charge $q$. If the electric potential at distances $5 \, cm, 10 \, cm$ and $15 \, cm$ from the centre of the spherical shell is $V_1, V_2$ and $V_3$ respectively, then respectively, then
1000 similar electrified rain drops merge together into one drop so that their total charge remains unchanged. The electric energy gets increased by
At Curie point, a ferromagnetic material becomes

The equilibrium constant, \($K_c$\) for the reaction \(${Cu_{(s)} + 2Ag^+_{(aq)} <=> Cu^{2+}_{(aq)} + 2Ag_{(s)} ; E^{\circ}_{cell} = 0.46 \, V}$\) is

If $pK_a$ of acetic acid and $pK_b$ of ammonium hydroxide are $4.76$ each. The $pH$ of ammonium acetate is
In the given set of reactions, 2-Bromopropane ${ ->[{\text{AgCN}}][{\text{alc./heat}}] X ->[LiAlH_4] Y}$ the $IUPAC$ name of product $'Y'$ is
What is the magnetic moment for ${Mn^{2+}}$ ion?
Consider a car moving along a straight horizontal road with a speed of ${ 72\, km\, h^{-1}}$. If the coefficient of static friction between road and tyres is $0.5$, the shortest distance in which the car can be stopped is

Kepler's second law is a consequence of

Which of the following catalysts acts as a promoter in the manufacture of \({NH_3}\) by Haber's process?

A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2. Their velocities are in the ratio

Diffraction pattern is obtained using red light. What will happen if it is replaced by violet light?
Monoclinic crystal has dimension
The solution of differential equation $x \frac {dy}{dx}+2y=x^2$ is
Select the incorrect match out of the following.
Orlon has monomeric unit
On heating potassium permanganate, one of the following compound is not obtained :
$ { MSO_4 ->[NH_4OH] $\underset{\text{white}}{ {X}}$\downarrow ->[NH_4OH][exess] Y ->[H_2S] Z \downarrow}$ Here $M$ and $Z$ are
Mica is chemically