List of top Questions asked in AP EAMCET

What are \(X\) and \(Y\) respectively in the following reactions?
\[ X+D_2O\rightarrow C_2D_2+P \] \[ Y+D_2O\rightarrow CD_4+Q \]
Assertion (A):- \(MgSO_4\) is readily soluble in water
Reason (R):- The greater hydration enthalpy of \(Mg^{2+}\) ions overcomes its lattice enthalpy.
Identify the correct statements about Boron.
I. It has high melting point II. It has high density III. It has high electrical conductivity IV. B-10 isotope of it has high ability to absorb neutrons
Among the gases \(a, b, c, d, e\) and \(f\), the gases that show only positive deviation from ideal behavior at all pressures in the graph are
The statement related to law of definite proportions is
What are the oxidation states of three Br atoms in \(Br_3O_8\) molecule
The bond lengths of \(C_2\), \(N_2\) and \(B_2\) molecules are \(X_1\), \(X_2\) and \(X_3\) pm respectively. The correct order of their bond lengths is
Identify the reaction/process in which the entropy increases.
State 1 \(\rightleftharpoons\) State 2 \(\rightleftharpoons\) State 3 represents a cyclic process for \(1\) mole of an ideal gas.
\[ \text{State 1: } T=300\text{ K},\ P=15\text{ bar} \] \[ \text{State 2: } T=300\text{ K},\ P=10\text{ bar} \] \[ \text{State 3: } T=300\text{ K},\ P=5\text{ bar} \] Calculate the total work done during one complete cycle.
(Assume a single step to reach the next state)
If \(\Delta x\) is the uncertainty in position and \(\Delta v\) is the uncertainty in velocity of a particle are equal, the correct expression for uncertainty in momentum for the same particle is
The number of radial nodes and angular nodes of a \(4f\)-orbital are respectively
Choose the correct option from the following
Lithium shows diagonal relationship with element ‘X’ and aluminium with Y. X and Y respectively are
The correct order of the metallic character of the elements Be, Al, Na, K is
The maximum number of TV signals that can be transmitted along a co-axial cable is
The graph of
\[ \ln\left(\frac{R}{R_0}\right)\ \text{versus}\ \ln A \] is
where \(R\) is the radius of a nucleus, \(A\) is its mass number, and \(R_0\) is constant.
Energy of a stationary electron in the hydrogen atom is
\[ E=-\frac{13.6}{n^2}\ \text{eV} \] then the energies required to excite the electron in hydrogen atom to (a) its second excited state and (b) ionized state respectively are
A beam of light with intensity \(10^{-3} \, Nm^{-2}\) and cross sectional area \(20 \, cm^2\) is incident on a fully reflective surface at angle \(45^\circ\). Then the force exerted by the beam on the surface is
The metal which has the highest work function in the following is
Output of following logic circuit is
A coil of inductance \(0.1\ \text{H}\) and resistance \(110\ \Omega\) is connected to a source of \(110\ \text{V}\) and \(350\ \text{Hz}\). The phase difference between the voltage maximum and the current maximum is
A compass needle oscillates \(20\) times per minute at a place where the dip is \(45^\circ\) and the magnetic field is \(B_1\). The same needle oscillates \(30\) times per minute at a place where the dip is \(30^\circ\) and magnetic field is \(B_2\). Then \(B_1:B_2\) is
Two infinitely long wires each carrying the same current and pointing in \(+y\) direction are placed in the \(xy\)-plane, at \(x=-2\,cm\) and \(x=1\,cm\). An electron is fired with speed \(U\) from the origin making an angle of \(+45^\circ\) from the \(x\)-axis. The force on the electron at the instant it is fired is
\[ [B_0 \text{ is the magnitude of the field at origin due to the wire at } x=1\,cm \text{ alone}] \]
Two electrons, \(e_1\) and \(e_2\), of mass \(m\) and charge \(q\) are injected in the perpendicular direction of the magnetic field \(B\) such that the kinetic energy of \(e_1\) is double than that of \(e_2\). The relation of their frequencies of rotation, \(f_1\) and \(f_2\), is
A plane electromagnetic wave travels in free space along \(z\)-axis. At a particular point in space, the electric field along \(x\)-axis is \(8.7 \, Vm^{-1}\). The magnetic field along \(y\)-axis is