List of top Questions asked in KCET

The domain of $ f(x) = sin^{-1} [Log_2 (\frac {x} {2})] $ is
If lines represented by $x + 3y - 6 = 0, 2x+y-4=0$ and $kx - 3y + 1 = 0$ are concurrent, then the value of $k$ is
The negation of $p \to (\sim p \vee q) $ is
Which one of the following statements is false?
The energy stored in an inductance of self inductance $L$ heavy carrying a current of $I$ ampere is
The number of naturally occurring p-block elements that are diamagnetic is
For the reversible reaction $A_{(s)}+B_{(g)}\leftrightharpoons C_{(g)} +D_{(g)} \Delta G^\circ=-350kJ $ which one of the following statements is true?
The value of $\sin 10^{\circ} \cdot \sin 30^{\circ} \cdot \sin 50^{\circ}-\sin 70^{\circ}$ is
In any triangle $ABC$, the simplified form of $\frac {Cos 2A}{a^2}-\frac{Cos2B}{b^2}$ is
Two tuning forks, $A$ and $B$, produce notes of frequencies $258 \,Hz$ and $262\, Hz$. An unknown note sounded with $A$ produces certain beats. When the same note is sounded with $B$, the beat frequency gets doubled. The unknown frequency is
Block $A$ of mass $2 \,kg$ is placed over block $B$ of mass $8 \,kg$. The combination is placed over a rough horizontal surface. Coefficient of friction between $B$ and the floor is $0.5$. Coefficient of friction between $A$ and $B$ is $0.4$. A horizontal force of $10\, N$ is applied on block $B$. The force of friction between $A$ and $B$ is $(g = 10\, m\,s^{-2})$
Two satellites of mass $m$ and $9\,m$ are orbiting a planet in orbits of radius $R$. Their periods of revolution will be in the ratio of
If the energies of the two photons are in the ratio of $3 : 2$, their wavelengths will be in the ratio of
The IUPAC name of the complex $[Co (NH_3)_4 Cl_2 ]Cl$ is
The spin only magnetic moment of $Fe^{2+}$ ion $(in\, B.M.)$ is approximately
In Argand's plane, the point corresponding to $\frac {(1-i\sqrt {3})(1+i)} {(\sqrt {3}+i)}$ lies in
In the circuit shown, the currents $i_1$ and $i_2$ are
In the series $L-C-R$ circuit shown, the impedance is
A conductor wire having $10^{29}$ free electrons/$m^{3}$ carries a current of $20\,A$. If the cross-section of the wire is $1\,mm^{2}$, then the drift velocity of electrons will be ....... $(e\, =\, 1.6 \times10^{-19}C).$
A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows
In the given network, the value of $C$, so that an equivalent capacitance between $A$ and $B$ is $3\mu F$, is
The height $y$ and the distance $x$ along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by $y\, = \,(8t - 5t^2 )$ metre and $x = 6t$ metre, where $t$ is in second. The velocity of projection is
The resultant of two forces acting at an angle of $120^{\circ}$ is $10\, kg$ wt and is perpendicular to one of the forces . That force is .......
Rutherford's atomic model could account for
The time required for the light to pass through a glass slab (refractive index = $1.5$) of thickness $4 \,mm$ is ($c = 3 \times 10^8\, ms^{-1}$, speed of light in free space).