List of top Physics Questions asked in AP EAPCET

If the speed of light was half the present value, the energy released in a nuclear reaction decreases by
In the given logic circuit, if A and B are the inputs, then P and Q are respectively
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logic circuit, if A and B are the inputs, then P and Q are respectively
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
In a transistor amplifier, the voltage gain is
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:
The Curie temperature \( T_c \) represents:
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:
The equivalent capacitance between A and B in the given figure is:
equivalent capacitance between A and B
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:
If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is:
A uniform solid sphere of mass \( M \) and radius \( a \) is surrounded by a concentric uniform thin spherical shell of mass 0.5M and radius 1.5a. The gravitational potential energy of a unit mass kept at a distance of 2.5a from the center is:
The phenomena of lowering freezing point of water by the application of pressure is known as:
In a Carnot’s engine, as the gas absorbs heat energy from the source, then the temperature of the source:
A steel ball of mass 200 g falls freely from a height of 20 m and bounces to a height of 10.8 m from the ground. If the energy lost in this process is absorbed by the ball, the rise in its temperature is:
A ball of mass 10 g is allowed to fall down from 10 m height. After collision with the ground, if 50\% of its energy is lost, then the height reached by the ball is:
The number of significant figures in 4.870 m is:
The process of retrieval of information from the carrier wave
The laser in an audio compact disc uses light of wavelength \( 7.8 \times 10^{-2} \, \text{nm} \). What is the frequency of light emitted by the laser?
The load resistance and the base-emitter voltage of a transistor in CE configuration are 5 kΩ and 0.02 V respectively. If the collector current is 2 mA, then its voltage gain is
The nucleus having highest binding energy per nucleon is
An ac generator converts
A resistor of resistance \( R \) and an inductor of inductive reactance \( R \) are connected in series to an ac source. A capacitor of capacitive reactance \( 2R \) is then connected in series with \( L \) and \( R \). The ratio of the power factors of LR and LCR circuits is
The magnitude of the axial field due to a short bar magnet at a distance of 50 cm from its mid-point is