List of top Physics Questions asked in AP EAPCET

The maximum possible height of a mountain on Earth is approximately.
The value of acceleration due to gravity at a height of \( 4R_E \) from surface of earth is \[ R_E \text{ is radius of earth and acceleration due to gravity on the surface of the earth = 10 ms}^{-2} \]
A force of \( (2\hat{i} + 3\hat{j} + 4\hat{k}) \, \text{N} \) acts on a particle whose position vector with respect to the origin of the coordinate system is \( (6\hat{i} + b\hat{j} + 12\hat{k}) \, \text{m} \). If the angular momentum of the body is constant, the value of \( b \) is:
A machine gun fires 300 bullets per minute each with a velocity of 500 ms\(^{-1}\). If the mass of each bullet is 4 g, the power of the machine gun is:
A body is made to move up along an inclined plane of inclination \(30^\circ\) and the coefficient of friction is 0.5, then its retardation is:
A body falls freely from a height of 100 m on to the ground and rebounds to a maximum height of 36 m after collision. The coefficient of restitution between the ground and the body is:
Two vectors of same magnitude act at a point. Twice the product of the magnitudes of two vectors is equal to the square of the magnitude of their resultant. The angle between the two vectors is:
A car of mass 1500 kg is moving with 20 ms\(^{-1}\) velocity. If the breaks are applied it comes to rest in 5 seconds, then the retarding force is
A stone thrown with velocity \( u \) at angles \( \theta \) and \( (90^\circ - \theta) \) with the horizontal reaches maximum heights \( H_1 \) and \( H_2 \) respectively. Its horizontal range is
The time of flight of a vertically projected stone is 8 s. The position of the stone after 6 s from the ground is
Among the following the least unit for length is
The radio horizon of the transmission of an antenna placed on the 20\(^\text{th}\) floor in a shopping mall, where the height of each floor is 2 m is
When light of wavelength \( \lambda \) incidents on a photosensitive material, photoelectrons are emitted. If the wavelength of the incident light is reduced by 50\%, the maximum kinetic energy of the emitted photoelectrons becomes 3 times the initial maximum kinetic energy. The work function of the material is:
The electric field in \( N C^{-1} \) of an electromagnetic wave is \( E = 36 \sqrt{\pi} \sin ( \omega t - kx) \). The average energy density of the electromagnetic wave due to the electric field is:
In a transistor amplifier, the voltage gain is
The total energy of an electron in an orbit of hydrogen atom is \( E \). The potential energy of the electron in the same orbit is
Positron is the antiparticle of
In the given circuit, when \( A = 1 \), \( B = 1 \) the values of \( X \) and \( Y \) respectively are
A = 1, B = 1 the values of X and Y respectively
Two metal wires of same length, same area of cross-section have conductivities of their material \( \sigma_1 \) and \( \sigma_2 \). If they are connected in series, the effective conductivity is:
Physically, the self-inductance plays the role of:
If \( q \) is electric charge, \( B \) is magnetic field, \( R \) is the dee radius and \( m \) is the mass of ions, the kinetic energy of the ions in cyclotron is given by:
Curl the palm of your right hand around the circular wire with the fingers pointing in the direction of current and the thumb gives the direction of the magnetic field. In this case the upper side of the loop may be thought of as:
The Curie temperature \( T_c \) represents:
A resistor of 100 \( \Omega \), an inductor of \( \frac{25}{\pi} \) mH, and a capacitor of 0.1 \( \mu \)F are connected in series to an ac source. The impedance of the circuit is minimum for a frequency of:
In the circuit, the cells are having negligible resistances. If the galvanometer shows null deflection, then the value of \( V \) is:
galvanometer shows null deflection,