List of practice Questions

The conjugate of the complex number $ \frac {(1+i)^2}{1-i}$ is
The area enclosed by the pair of lines $xy = 0$ , the line $x - 4 = 0$ and $y + 5 = 0$ is
Feeling the tremors of an earthquake, a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action ?
A sequential expression of a set of human genes occurs when a steroid molecule binds to the:-
A mass of $2.0\, kg$ is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass of the spring and the pan is negligible. When pressed slightly and released the mass executes a simple harmonic motion . The spring constant is $200\, N/m$ . What should be the minimum amplitude of the motion so that the mass gets detached from the pan (take $g = 10 \,m /s^2 $).
A hollow cylinder has a charge $q$ coulomb within it. If $\phi$ is the electric flux in units of voltmeter associated with the curved surface $B$, the flux linked with the plane surface $A$ in units of voltmeter will be-
Bowman's glands are located in the
A body is released from a great height falls freely towards the earth. Another body is released from the same height exactly a second latter. Then the separation between two bodies, $2\,s$ after the release of the second body is, nearly
Lanthanides and actinides are also called as
The equation of the plane passing through the points $ (a,0,0),(0,b,0) $ and $ (0,0,c) $ is
A metal present in vitamin $B_12$ is
$+I$ effect is shown by
The electronic configuration of $Cr^{3+}$ is
Decarboxylation of an acid can be carried out using
Force per unit length between long parallel wires in the circuit is $3.6 \times 10^{-3} \, N \, m^{-1}$. Resistance of the circuit is
In a galvanic cell, the reaction that occurs at the cathode is
The amplitude of $\sin \frac{\pi}{5} + i\left( 1 - \cos \frac{\pi}{5}\right) $
The angle between the asymptotes of the hyperbola $x^2 - 3y^2 = 12$ is
The solution having lowest freezing point is
Which one of the following is least electropositive element?
Coordination number of nickel in$[Ni(C_2O_4)_3]^{4-}$ is
The capacitance of the Earth considered as a conducting sphere of radius $6408 \, km$ is
The kinetic energy of the photoelectrons increases by $0.52 \, eV$ when the wavelength of incident light is changed from $500 \, nm$ to another wavelength which is approximately
The maximum value of $ f(x) = \frac{\log x}{x} , 0 < x < \infty$ is
Two points separated by a distance of 0.1 mm can just be observed using a microscope when light $\lambda = 600\: nm$ is used. If light of wavelength 480 nm is used, this limit of resolution becomes