List of top Physics Questions asked in AP EAPCET

In the given logic circuit, if A and B are the inputs, then P and Q are respectively
\
logic circuit, if A and B are the inputs, then P and Q are respectively
An oscillator is an amplifier with
A message signal of frequency \(20~\text{kHz}\) and peak voltage \(20~\text{V}\) is used to modulate a carrier of peak voltage \(100~\text{V}\). The modulation index is
In a thermodynamic pross if '$\Delta W$' and '$\Delta U$' are the work done and change in the internal energy of a system respectively, then
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
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:
Positron is the antiparticle of
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:
In a transistor amplifier, the voltage gain is
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
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:
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:
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,
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:
Two charges \( Q \) and \( 4Q \) are separated by a distance of 6 cm. The distance of the point from \( 4Q \) at which the net electric field is zero is:
Inside a charged hollow sphere, at any point the electric field \( E \) and potential \( V \) are:
If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is:
The frequency of a light ray is \( 6 \times 10^{14} \) Hz. Its frequency when it propagates in a medium of refractive index 1.5, will be:
The equivalent capacitance between A and B in the given figure is:
equivalent capacitance between A and B
The ratio of radii of two wires is 1:2 and the density of their materials are in the ratio 1:4. If same tension is applied to both the wires then the ratio of the speed of transverse waves produced in them is:
A cylindrical rod made of aluminum has length 1 meter and diameter of 10 cm. The rod is subjected to a tensile force of 100 kN. The elongation in the rod is: