List of top Questions asked in AP EAPCET

The total maximum number of electrons possible in 3d, 6d, 5s and 4f orbitals with \(m_l\) (magnetic quantum number) value -2 is
The uncertainty in the velocities of two particles \( A \) and \( B \) are \( 0.03 \) and \( 0.01 \, \text{m/s} \), respectively. The mass of \( B \) is four times the mass of \( A \). The ratio of uncertainties in their positions is:
Ionosphere acts as a reflector for the frequency range of

If three logic gates are connected as shown in the figure, then the correct truth table of the circuit is

 

In a common emitter amplifier of a transistor, if the ratio of the voltage gain and current amplification factor is 4, then the ratio of the collector and base resistances is.
The density (in \( \text{kg m}^{-3} \)) of nuclear matter is of the order of
The ratio of the wavelengths of the spectral lines emitted due to transitions \( 3 \rightarrow 2 \) and \( 2 \rightarrow 1 \) orbits in the hydrogen atom is
If the de Broglie wavelength of an electron is \( 2 \, \text{nm} \), then its kinetic energy is nearly (Planck's constant \( = 6.6 \times 10^{-34} \, \text{J s} \) and mass of electron \( = 9 \times 10^{-31} \, \text{kg} \))
The waves having maximum wavelength among the following electromagnetic waves is
In a series resonant LCR circuit, for the power dissipated to become half of the maximum power dissipated, the current amplitude is
When a current of \( 4 \, \text{mA} \) passes through an inductor, if the flux linked with it is \( 32 \times 10^{-6} \, \text{Tm}^2 \), then the energy stored in the inductor is:
The work done in rotating a bar magnet which is initially in the direction of a uniform magnetic field through $ 45^\circ $ is $ W $. The additional work to be done to rotate the magnet further through $ 15^\circ $ is.
A solenoid of one meter length and \( 3.55 \, \text{cm} \) inner diameter carries a current of \( 5 \, A \). If the solenoid consists of five closely packed layers each with \( 700 \) turns along its length, then the magnetic field at its centre is
The magnetic moment of an electron moving in a circular orbit of radius R with a time period T is
A DC supply of \(160\,V\) is used to charge a battery of EMF \(10\,V\) and internal resistance \(1\,\Omega\) by connecting a series resistance of \(24\,\Omega\). The terminal voltage of the battery during charging is:

A part of a circuit is shown in the figure. The ratio of the potential differences between the points A and C, and the points D and E is.

 

If the energy stored in a spherical conductor having a charge of \( 12 \, \mu C \) is \( 6 \, \text{J} \), then the radius of the spherical conductor is:
A solid of mass 1 kg has \(6 \times 10^{24}\) atoms. If one electron is removed from every one atom of 0.005% of the atoms, then the charge gained by the solid is
If the least distance of distinct vision for a boy is \( 35 \, \text{cm} \), then the lens to be used by the boy for correcting the defect of his eye is
If two progressive sound waves represented by \( y_1 = 3 \sin 250 \pi t \) and \( y_2 = 2 \sin 260 \pi t \) (where displacement is in metre and time is in second) superimpose, then the time interval between two successive maximum intensities is
If the internal energy of 3 moles of a gas at a temperature of 27 °C is 2250R, then the number of degrees of freedom of the gas is (R - Universal gas constant)
The work done by 6 moles of helium gas when its temperature increases by \( 20^\circ \text{C} \) at constant pressure is (Universal gas constant = \( 8.31 \, \text{J mol}^{-1} \, \text{K}^{-1} \))
A small quantity of water of mass 'm' at temperature \( \theta^\circ \text{C} \) is mixed with a large mass 'M' of ice which is at its melting point. If 's' is the specific heat capacity of water and 'L' is the latent heat of fusion of ice, then the mass of ice melted is
If two soap bubbles A and B of radii \(r_1\) and \(r_2\) respectively are kept in vaccum at constant temperature, then the ratio of masses of air inside the bubbles A and B is
If the longitudinal strain of a stretched wire is 0.2% and the Poisson's ratio of the material of the wire is 0.3, then the volume strain of the wire is