List of top Questions asked in KCET

Molecules of a noble gas do not possess vibrational energy because a noble gas _________

Identify the logic operation performed by the circuit given here.

In a p-n junction diode notconnected to any circuit

Which of the following substances has the highest elasticity?

Two simple harmonic motions a re represented by $y_1=5[\sin\,2\pi t+\,\sqrt{3}\,\cos \,2\pi\,t]$ and $y_2=5\sin[2\pi t +\frac{\pi}{4}]$.The ratio of their amplitude is

Two slabs are of the thicknesses $d_1$ and $d_2$ Their thermal conductivities are $K_1 $ and $K_2$ respectively. They are in series. The free ends of the combination of these two slabs are kept at temperatures $\theta_1 $ and $\theta_2$ . Assume $\theta_1 > \theta_2$ .The temperature $ \theta $ of their common junction is.............

The letter $'D'$ in $D-glucose$ signifies____

In the absence of acrosome, the sperm __________

An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transitions. An electron is moving in an orbit of another hydrogen atom from which there can be a maximum of three transitions. The ratio of the velocity of the electron in these two orbits is

A uniform wire of length $L$, diameter $D$ and density $P$ is stretched under a tension $T$. The correct relation between its fundamental frequency $'f'$ , the length $L$ and the diameter $D$ is ............

$P$ is the point of contact of the tangent from the origin to the curve $y = log_ex$ The length of the perpendicular drawn from the origin to the normal at $P$ is ______

When a neutron is disintegrated to give $\beta$-particle, ............

The length of the diameter of the circle which cuts three circles $x^2 + y^2 - x - y - 14 = 0;$ $x^2 + y^2 + 3x - 5y - 10 = 0 ;$ $x^2 + y^2 - 2x + 3y - 27 = 0$ orthogonally, is

The colloidal solution in which both the dispersed phase and dispersion medium arc liquids called

If If $n =(2020)$, then $\frac {1}{\log_2n}+\frac {1}{\log_3n}+\frac {1}{\log_4n}+............+\frac {1}{\log_{2020} n}$

The condensation polymer among the following is

$5$ moles of $SO_2$ and $5$ moles of $O_2$ are allowed to react. At equilibrium, it was found that $60\% $ of $SO_2$ is used up. If the partial pressure of the equilibrium mixture is one atmosphere, the partial pressure of $O_2$, is

Which of the following is properly matched ?

The greatest threat to genetic diversity in agricultural crops is

Compare the statements A and B Statement A : Ranikhet disease is the disease of poultry. Statement B : It is caused by a virus. Select the correct description.

If$\vec{a}+2\vec{b}+3\vec{c}=\vec{0}$ then $\vec{a} \times \vec{b}+\vec{b} \times \,\vec{c}+\vec{c} \times \vec{a} $ =

If $A$ and $B$ are square matrices of the same order such that $(A + B) (A -B) = A^2-B^2$ then $(ABA^{-1} )^2=$

The negation of $p{\land}(q \to \sim r)$ is

The one which decreases with dilution is

The ore that is concentrated by Froth Floatation process is