List of top Questions asked in KCET

The ground state configuration of $Fe^{3+}$ ion in gaseous state is : (At.No. of Fe = 26)
The conductivity of strong electrolyte
A thermos flask contains hot coffee. The flask is vigorously shaken. Then the temperature of the coffee will
In binomial nomenclature
A ring shaped metal is allowed to expand by heating it. The hole will
Phosphine may be produced by adding lo water some
Which overlap is involved in HCl molecule ?
A hole is drilled along the earth's diameter and a stone is dropped into it. When the stone is at the centre of earth, it has
SI unit of magnetic field is
The coordination number of copper in cupram- monium sulphate is
An object is dropped from rest, its velocity V changes in the following forms
Absolute zero of temperature is
A solution of potassium ferrocyanide would contain.....ions
Red P can be obtained from white P by
Minerals absorbed by root move to the leaf through
If A.M. and G.M. of roots of a quadratic equation are 5 and 4 respectively, then the quadratic equation is
If A is a square matrix such that $A^2 = A$, then $(I + A)^3 $is equal to
If $2sin^{-1}x -3 cos^{-1}x =4, x∈ [-1,1] $ then $2sin^{-1}x +3cos^{-1}x $ is equal to
Let f : R ⇢ R be defined by $f (x) = x^2 +1$. Then the pre images of 17 and –3 respectively are
Let a, b, c, d and e be the observations with mean m and standard deviation S. The standard deviation of the observations a + k, b + k, c + k, d + k and e + k is
If ΔABC is right angled at C, then the value of tan A + tan B is
If in two circles, arcs of the same length subtend angles 30° and 78° at the centre, then the ratio of their radii is
A body has a charge of -3.2μC . The number of excess electrons it has is
A p -n junction diode is connected to a battery of emf 5.7 V in series with a resistant 5kΩ such that it is forward biased. If the barrier potential of the diode is 0.7 V, neglecting the diode resistance, the current in the circuit is
The angle between the line x + y = 3 and the line joining the points (1, 1) and (–3, 4) is