List of top Physics Questions asked in AP EAMCET

A 50 Hz AC circuit has a 10 mH inductor and a 2 $\omega$ resistor in series. The value of capacitance to be placed in series in the circuit to make the circuit power factor unity is:
The structure of solids is investigated by using:
The surface of a metal is first illuminated with a light of wavelength 300 nm and later illuminated by another light of wavelength 500 nm. It is observed that the ratio of maximum velocities of photoelectrons in two cases is 3. The work function of the metal value is close to:
The ratio of the minimum wavelength of the Balmer series to the maximum wavelength in the Brackett series in the hydrogen spectrum is:
The half-life period of a radioactive element A is 62 years. It decays into another stable element B. An archaeologist found a sample in which A and B are in 1 : 15 ratio. The age of the sample is:
The current gain of a transistor in a common emitter configuration is 80. The resistances in collector and base sides of the circuit are 5 k$\omega$ and 1 k$\omega$ respectively. If the input voltage is 2 mV, the output voltage is:
A light body of momentum \( P_L \) and a heavy body of momentum \( P_H \), both have the same kinetic energy, then:

Three blocks of masses 2 m, 4 m and 6 m are placed as shown in figure. If \( \sin 37^\circ = \frac{3}{5} \), \( \sin 53^\circ = \frac{4}{5} \), the acceleration of the system is:

Two objects of masses 2 kg and 5 kg possess velocities \( 10 \hat{i} \, {m/s} \) and \( 3 \hat{i} + 5 \hat{j} \, {m/s} \) respectively. Then the velocity of C.M. in m/s is:
A block of mass 18.5 kg kept on a smooth horizontal surface is pulled by a rope of 3 m length by a horizontal force of 40 N applied to the other end of the rope. If the linear density of the rope is 0.5 kgm\(^-1\) and initially the block is at rest, the time in which the block moves a distance of 9 m is

A man of mass 70 kg jumps to a height of 0.8 m from the ground, then the momentum transferred by the ground to the man is 
(g = 10 m/s\(^{-2}\)):

In the given circuit, the potential difference across the 5 \(\mu\)F capacitor 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:
A certain volume of a gas at 300 K expands adiabatically until its volume is doubled. The resultant fall in temperature of the gas is nearly (The ratio of the specific heats of the gas is 1.5)
A tightly wound coil of 200 turns and of radius 20 cm carrying current 5 A. Magnetic field at the centre of the coil is.
A bowling machine placed at a height \( h \) above the earth surface releases different balls with different angles but with the same velocity \( 10 \sqrt{3} \, \text{ms}^{-1} \). All these balls landing velocities make angles 30° or more with horizontal. Then the height \( h \) (in meters) is:
A body of mass 4 kg is moving with a velocity 6 ms\(^{-1}\) on a smooth surface. If it is brought to rest in 4 s, the force applied is:
Two satellites of masses \( m \) and \( 1.5m \) are revolving around the Earth with different speeds in two circular orbits of heights \( R_E \) and \( 2R_E \) respectively, where \( R_E \) is the radius of the Earth. The ratio of the minimum and maximum gravitational forces on the Earth due to the two satellites is
One second after projection, a projectile is travelling in a direction inclined at \( 45^\circ \) to horizontal. After two more seconds it is travelling horizontally. Then the magnitude of velocity of the projectile is ( \( g = 10 \) ms\(^{-2}\)):
Three particles of each mass \( m \) are kept at the three vertices of an equilateral triangle of side \( 1 \). The moment of inertia of the system of the particles about any side of the triangle is:
The vertical extension in a light spring by a weight of 1 kg suspended from the lower end is 9.8 cm. The time period of oscillation of the spring is:
A coil of two turns is made of a wire length L and another coil of four turns is made from same length L. When the same current is flowing in two coils, then the ratio of magnetic inductions at their centres is:
If the work done \(W\), length \(L\) and time \(T\) are considered as the fundamental quantities, the dimensional formula for mass is:
Time period of a simple pendulum in air is \( T \). If the pendulum is in water and executes SHM, its time period is \( t \). The value of \( \frac{T}{t} \) is [Density of bob is \( \frac{5000}{3} \) kg/m\(^3\)]
The relation between the force (F in newton) acting on a particle executing simple harmonic motion and the displacement of the particle (y in metre) is given by: \[ 500F + \pi^2 y = 0 \] If the mass of the particle is 2 g, the time period of oscillation of the particle is: