List of top Physics Questions asked in AP EAMCET

A person climbs up a conveyor belt with a constant acceleration. The speed of the belt is \( \sqrt{\frac{g h}{6}} \) and the coefficient of friction is \( \frac{5}{3\sqrt{3}} \). The time taken by the person to reach from A to B with maximum possible acceleration is: \includegraphics[]{87.png}
Two cylindrical vessels A and B of different areas of cross-section kept on the same horizontal plane are filled with water to the same height. If the volume of water in vessel A is 3 times the volume of water in vessel B, then the ratio of the pressures at the bottom of the vessels A and B is:

In the following diagram, the work done in moving a point charge from point P to point A, B and C are \( W_A, W_B, W_C \) respectively. Then (A, B, C are points on semicircle and point charge \( q \) is at the centre of semicircle)
 

The ground state energy of hydrogen atom is -13.6 eV. The potential energy of the electron in this state is:
The capacitance of an isolated sphere of radius \( r_1 \) is increased by 5 times when enclosed by an earthed concentric sphere of radius \( r_2 \). The ratio \( \frac{r_1}{r_2} \) is:

Two bar magnets A and B are identical and arranged as shown. Their lengths are negligible compared to the separation between them. A magnetic needle placed between the magnets at point P gets deflected through an angle \( \theta \) under their influence. The ratio of distances \( d_1 \) and \( d_2 \) is: 


 

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:
A block of mass \(m\) is placed in equilibrium on a moving horizontal plank. The maximum horizontal acceleration of the plank for \(\mu = 0.2\) is (Acceleration due to gravity = \(10 \, {ms}^{-2}\)).
In case of diffraction, if \( a \) is a slit width and \( \lambda \) is the wavelength of the incident light, then the required condition for diffraction to take place is:
A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is \( C \). The maximum possible deviation of the ray will be:
The average power generated by a 90 kg mountain climber who climbs a summit of height 600 m in 90 minutes is (Acceleration due to gravity \( g = 10 \) m/s\(^2\)):

In a Carnot engine, the absolute temperature of the source is 25% more than the absolute temperature of the sink. The efficiency of the engine is

One mole of a gas having \( \gamma = \frac{7}{5} \) is mixed with one mole of a gas having \( \gamma = \frac{4}{3} \). The value of \( \gamma \) for the mixture is ( \( \gamma \) is the ratio of the specific heats of the gas)

The displacement of a particle executing simple harmonic motion is \( y = A \sin(2\pi t + \phi) \, \text{m} \), where \( t \) is time in seconds and \( \phi \) is the phase angle. At time \( t = 0 \), the displacement and velocity of the particle are 2 m and 4 ms-1. The phase angle, \( \phi \) =

If the work done in stretching a wire by 1 mm is 2 J, the work necessary for stretching another wire of same material but with double radius of cross section and half the length by 1 mm is
The Poisson’s ratio of a material is 0.4. If the force is applied to a wire of this material, there is a decrease of cross-sectional area by 2%. The percentage increase in its length is:
Heat is supplied at constant pressure to a diatomic gas. The part of this heat that was utilized to increase its internal energy is:
If the current through an inductor increases from 2 A to 3 A, the magnetic energy stored in the inductor increases by
A very long straight conductor is carrying a steady current of \(2.2 \, {A}\). The conductor is placed on a horizontal table such that the current in the conductor is from south to north. If the horizontal component of the earth's magnetic field at the place is \(3.2 \times 10^{-5} \, {T}\), the force per unit length on the conductor is:
A substance of mass \( m \) requires a power input of \( P \) to remain in the molten state at its melting point. When the power is turned off, the sample completely solidifies in time \( t \). The latent heat of the substance is
In an inelastic collision, after collision the kinetic energy

If the potential difference across \(PQ\) is 4V, the potential difference across \(A\) and \(B\) in the given figure is:


 

Two samples of same gas (\(\gamma = \frac{3}{2}\)) have equal volume. If their volumes are doubled by adiabatic and isothermal processes respectively for sample 1 and 2. Their final pressures are now equal. The ratio of initial pressures is:

At a place where the magnitude of the earth's magnetic field is \(4 \times 10^{-5} \, T\), a short bar magnet is placed with its axis perpendicular to the earth's magnetic field direction. If the resultant magnetic field at a point at a distance of 40 cm from the center of the magnet on the normal bisector of the magnet is inclined at \(45^\circ\) with the earth's field, the magnetic moment of the magnet is:

A proton and an alpha particle moving with energies in the ratio \( 1:4 \) enter a uniform magnetic field of 37 T at right angles to the direction of the field. The ratio of the magnetic forces acting on the proton and the alpha particle is: