List of top Physics Questions asked in AP EAPCET

A bomb of mass 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg. If the velocity of 8 kg mass is $ 6\,{ms}^{-1} $, then the kinetic energy of 4 kg mass is

A body is dropped freely from a height of 8 m from the ground. If the coefficient of restitution between the body and the ground is 0.5, then the maximum height reached by the body after second impact with the ground is

A force of 10 N acts on a body of mass 2 kg in the direction of motion of the body. If the velocity of the body at a time $ t = 0 $ is $ 13\,{ms}^{-1} $, then the velocity of the body at time $ t = 3\,{s} $ is

The circuit consisting of NAND gates that is equivalent to an AND gate is:

Two diodes with zero resistance in forward bias and infinite resistance in reverse bias are connected to a battery as shown in the circuit. Then the value of current $i$ is:

The equation for ²³₁₀Ne nucleus which decays by β-emission is:

When an electron beam of energy 10.2 eV is used to excite hydrogen gas, then the possible spectral line is:

A particle is moving with a velocity four times the velocity of an electron. If the de Broglie wavelength of the particle is $1.5 \times 10^{-4}$ times the de Broglie wavelength of the electron, then the mass of the particle is (mass of electron $= 9 \times 10^{-31} \, {kg}$):

The electric field between the plates of a parallel plate capacitor changes at the rate of $4.5 \times 10^{7} \, {V/m/s}$. If the plates of the capacitor are circular with radius 2 cm, then the displacement current inside the capacitor is:

The device constructed based on the laws of electromagnetic induction is:

Two identical short bar magnets, each having a magnetic moment of $1 \, {A} \cdot {m}^2$, are placed 2 m apart between their centers with their axes perpendicular to each other. The net magnetic field at the midpoint of the line joining the centers of the two magnets is:

The magnetic force per unit length acting on a wire carrying a current of $4\sqrt{3}$ A and making an angle of $60^\circ$ with the direction of a uniform magnetic field of 200 mT is:

The magnetic field at a point $ P $ at a distance of 2 cm from a long straight wire of diameter 0.5 mm carrying a current of 1 A is $ B $. If the diameter of the wire is doubled without changing the current, the magnetic field at the same point $ P $ is:

The distance travelled by an electron in time of $3\,{ns}$ when accelerated from rest in an electric field of $0.9 \times 10^4\, {N/C}$ is: \[ {(mass of electron } = 9 \times 10^{-31} { kg, charge } = 1.6 \times 10^{-19} { C)} \]

To decrease the capacitance of a parallel plate capacitor:

As shown in the figure, a rod AB of length 5 cm is placed in front of a convex mirror on its principal axis. If the radius of curvature of the mirror is 20 cm, then the length of the image of the rod is: