List of top Physics Questions asked in TS EAMCET

Two long straight parallel wires A and B separated by \( 5 \) m carry currents \( 2 \) A and \( 6 \) A respectively in the same direction. The resultant magnetic field due to the two wires at a point \( 2 \) m distance from the wire A in between the two wires is?
The displacement of a particle in simple harmonic motion is given by: \[ x = A_0 \cos \left( \frac{\pi}{2} t \right) \] The distance traveled by the particle in the interval between \( t = 2 \) and \( t = 5 \) seconds and its position at \( t = 5 \) second are:
A massless spring of length \( l \) and spring constant \( k \) oscillates with a time period \( T \) when loaded with a mass \( m \). The spring is now cut into three equal parts and connected in parallel. The frequency of oscillation of the combination when it is loaded with a mass \( 4m \) is: \vspace{0.5cm}
If the total energy of the electron in the ground state of hydrogen atom is \(-13.6\) eV, then the potential and kinetic energies of an electron in this state respectively are:
A block is kept on a rough horizontal surface. The acceleration of the block increases from \( 6 \ ms^{-2} \) to \( 11 \ ms^{-2} \) when the horizontal force acting on it increases from \( 20 \ N \) to \( 30 \ N \). The coefficient of kinetic friction between the block and the surface is: (Acceleration due to gravitiy = 10ms-^2)
If two linear antennas having lengths in the ratio 2:3 are emitting radiations of wavelengths in the ratio 8:9, then the ratio of effective powers radiated by them are in the ratio:
The work done in increasing the diameter of a soap bubble from 2 cm to 4 cm is (Surface tension of soap solution \(=3.5\times10^{-2}Nm^{-1}\))
A coil of 100 turns and 0.10 m\(^2\) area, making two rotations per second is placed in a 0.01 T uniform magnetic field perpendicular to its axis of rotation. The maximum voltage generated in the coil is:
A proton and an \( \alpha \) particle are both accelerated from rest in a uniform electric field. The ratio of works done by the electric field on the proton and the \( \alpha \)-particle in a given time is?
Three capacitors of capacitances 10 \(\mu\)F, 5 \(\mu\)F and 20 \(\mu\)F are connected in series with a 14 V dc supply. The charge on 5 \(\mu\)F capacitor is

The electric flux due to an electric field \[ \vec{E} = (8\hat{i} + 13\hat{j}) \text{ NC}^{-1} \] through an area 3 m\(^2\) lying in the XZ plane is: 

Two closed pipes when sounded simultaneously in their fundamental modes produce 6 beats per second. If the length of the shorter pipe is 150 cm, then the length of the longer pipe is: \[ \text{(Speed of sound in air = 336 ms}^{-1}) \]

If the length of a cylinder made with a material of Poisson’s ratio 0.4 is increased by 5\%, then the decrease in its diameter is:
A wire of cross-sectional area \( 10^{-6} \, m^2 \) is elongated by \( 0.1 \% \) when the tension in it is \( 1000 \, N \). The Young's modulus of the material of the wire is (Assume radius of the wire is constant)?
A ball of mass 200 g moving with certain velocity collides with another ball of mass 600 g at rest. If the coefficient of restitution is 0.6, the ratio of the velocity of 600 g ball after collision and the velocity of 200 g ball before collision is:
Two particles each of mass \(m\) are separated by a distance \(d\). If the mass of one of the particles is doubled without changing the distance between the two particles, then the shift in the position of the center of mass is
An electron falling freely under the influence of gravity enters a uniform magnetic field directed towards south. The electron is initially deflected towards?

In a time ‘’t", the amplitude of vibrations of a damped oscillator becomes half of its initial value, then the mechanical energy of the oscillator decreases by:

A body thrown vertically upwards with certain velocity from the ground reaches a maximum height \( H \). The ratio of the times at which the body is at a height of \( \frac{H}{2} \) is:
The work done in blowing a soap bubble of volume \( V \) is \( W \). The work done in blowing the bubble of volume \( 2V \) from the same soap solution is?
If the relaxation time is doubled and the applied electric field is tripled, then the drift speed of electrons:
If \( dQ, dU, dW \) are heat energy absorbed, change in internal energy, and external work done respectively by a diatomic gas at constant pressure, then \( dW : dU : dQ \) is:
Two photons of energies 2.5 eV and 5.5 eV incident on a metal surface of work function 1.5 eV. The ratio of the maximum speeds of the photoelectrons emitted from the metal surface is:
The magnetizing field which produces a magnetic flux of \(22 \times 10^{-6} \, \text{Wb}\) in a metal bar of area of cross-section \(2 \times 10^{-5} \, m^2\) is (susceptibility of the metal = 699):
A wooden cube is floating in a bucket of water with \(\frac{3}{4}\) of its volume immersed. If this bucket with the wooden block is now placed in a lift moving down with an acceleration of \(\frac{g}{2}\), the fraction of volume of the wooden cube immersed in water is: