List of top Physics Questions asked in AP EAMCET

An aircraft executes a horizontal loop of radius 1 km with a speed of 900 kmph. Then, the ratio of its centripetal acceleration to the acceleration due to gravity is:
The displacement \( x \) of a particle moving in one direction is given by \( t = \sqrt{x} + 3 \), where \( x \) is in meters and \( t \) is in seconds. Its displacement when its velocity becomes zero is:
Force is given by the expression \( F = A \cos(Bx) + C \cos(Dt) \), where 'x' is displacement and 't' is time. The dimensions of \( \frac{D}{B} \) are the same as that of:
Two light waves of intensities \( I \) and \( 2I \) superimpose on each other. If the path difference between the light waves reaching a point is 12.5% of the wavelength of the light, then the resultant intensity at the point is (Both the light waves have the same wavelength)
A particle of mass 0.5 g and charge 10 \(\mu\)C is subjected to a uniform electric field of 8 NC\(^{-1}\). If the particle is initially at rest, the velocity of the particle after a time of 5 seconds is
The emf of a cell of internal resistance 2 Ω is measured using a voltmeter of resistance 998 Ω. The error in the emf measured is:
Two particles of charges 4 nC and \( Q \) are kept in air with a separation of 10 cm between them. If the electrostatic potential energy of the system is 1.8 μJ, then \( Q \) is:
In a meter bridge experiment, a resistance of 9 Ω is connected in the left gap and an unknown resistance greater than 9 Ω is connected in the right gap. If the resistance in the gaps are interchanged, the balancing point shifts by 10 cm. The unknown resistance is:
Current sensitivities of two galvanometers \( G_1 \) and \( G_2 \) of resistances 100 Ω and 50 Ω are \( 10^8 \) div/A and \( 0.5 \times 10^5 \) div/A respectively. The galvanometer in which the voltage sensitivity is more is:
The relation between \(\mu\) and \(H\) for a specimen of iron is \(\mu = \left[ \frac{0.4}{H} + 12 \times 10^{-4} \right] \text{Hm}^{-1}\). The value of \(H\) which produces flux density of 1 T will be (\(\mu\) = magnetic permeability, \(H\) = magnetic intensity)
In a circuit, the current falls from 14 A to 4 A in a time 0.2 ms. If the induced emf is 150 V, then the self-inductance of the circuit is:
For plane electromagnetic waves propagating in the positive Z-direction, the combination which gives the correct possible direction for \( E \) and \( B \) fields respectively is:
A photon incident on a metal of work function 2 eV produced a photoelectron of maximum kinetic energy of 2 eV. The wavelength associated with the photon is:
In a nuclear reactor, the fuel is consumed at the rate of \( 1 \times 10^{-3} \) gs\(^{-1}\). The power generated in kW is:
In the diodes shown in the diagrams, which one is reverse biased?
Size of the antenna for a carrier wave of frequency 3 MHz is:
The following configuration of gates is equivalent to:
configuration of gates
An alternating current is given by \( i = (3 \sin \omega t + 4 \cos \omega t) \) A. The rms current will be:
Energy levels A, B, and C of a certain atom correspond to increasing values of energy, i.e., \( E_A<E_B<E_C \). If \( \lambda_1, \lambda_2, \) and \( \lambda_3 \) are the wavelengths of a photon corresponding to the transitions shown, then:
Energy levels A, B, and C
A charge ‘q’ is spread uniformly over an isolated ring of radius ‘R’. The ring is rotated about its natural axis with angular speed \( \omega \). The magnetic dipole moment of the ring is:
125 identical charged small spheres coalesce to form a big charged sphere. If the electric potential on each small sphere is 60 mV, then the electric potential on the bigger sphere formed is:
A gas absorbs 18 J of heat and work done on the gas is 12 J. Then the change in internal energy of the gas is:
The ratio of the molar specific heat capacities of monatomic and diatomic gases at constant pressure is:
The frequency of fifth harmonic of a closed pipe is equal to the frequency of third harmonic of an open pipe. If the length of the open pipe is 72 cm, then the length of the closed pipe is:
The time period of revolution of a satellite close to the planet’s surface is 80 minutes. The time period of another satellite which is at a height of 3 times the radius of the planet from the surface is: