List of top Physics Questions asked in TS EAMCET

An electron falling freely under the influence of gravity enters a uniform magnetic field directed towards south. The electron is initially deflected towards?
A short magnet placed in a uniform magnetic field making an angle with the field experiences a torque. If the angle made by the magnet with the field is changed from \(30^\circ\) to \(45^\circ\), the torque on the magnet?
The efficiency of a bulb of power \( 60 \) W is \( 16\% \). The peak value of the electric field produced by the electromagnetic radiation from the bulb at a distance of \( 2 \) m from the bulb is? \[ \left(\frac{1}{4\pi \epsilon_0} = 9 \times 10^9 \text{ Nm}^2\text{C}^{-2} \right) \]
The work function of a photosensitive metal surface is \( 1.1 \) eV. Two light beams of energies \( 1.5 \) eV and \( 2 \) eV incident on the metal surface. The ratio of the maximum velocities of the emitted photoelectrons is?
The ground state energy of a hydrogen atom is \( -13.6 \) eV. The potential energy of the electron in the first excited state of hydrogen is?
After the decay of a single \( \beta^- \) particle, the parent and daughter nuclei are?
A \(_{92}^{238}U\) nucleus decays to a \(_{82}^{206}Pb\) nucleus. The number of \( \alpha \) and \( \beta^- \) particles emitted are?
For an amplitude modulated wave, the maximum and minimum amplitudes are found to be \( 10 \) V and \( 2 \) V respectively. Then the modulation index is?
The region in the output voltage versus input voltage graph where a transistor can be used as an amplifier is?
In an n-type semiconductor, electrons are majority charge carriers and holes are minority charge carriers. The charge of an n-type semiconductor is?
An inductor of inductive reactance \( R \), a capacitor of capacitive reactance \( 2R \), and a resistor of resistance \( R \) are connected in series to an AC source. The power factor of the series LCR circuit is?
The mutual inductance of two coils is \( 8 \) mH. The current in one coil changes according to the equation \( I = 12 \sin 100t \), where \( I \) is in amperes and \( t \) is time in seconds. The maximum value of emf induced in the second coil is?
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 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?
A ball P of mass \( 0.5 \) kg moving with a velocity of \( 10 \, ms^{-1} \) collides with another ball Q of mass \( 1 \) kg at rest. If the coefficient of restitution is \( 0.4 \), the ratio of the velocities of the balls P and Q after the collision is?
Three logic gates are connected as shown in the figure. If the inputs are \( A = 0 \), \( B = 1 \), and \( C = 1 \), then the values of \( y_1 \), \( y_2 \), and \( y_3 \) are respectively:
logic gates
The power gain of a transistor operating in common emitter configuration is 32,000. If the input and output resistances of the circuit are 1200 \( \Omega \) and 6000 \( \Omega \) respectively, then the current gain is:
In a nuclear reactor of efficiency 25%, the number of fissions taking place per second is \( 5 \times 10^{13} \). If 200 MeV energy is released per fission, then the output power of the reactor 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:
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:
In a radioactive sample \( 2 \times 10^8 \) nuclei reduce to \( 10^8 \) nuclei in 15 minutes, then the half-life of the sample in minutes is:
The ratio between electric field energy density and magnetic field energy density of an electromagnetic wave, in its region is:
Magnetic field on the axis of a short bar magnet of magnetic moment \( M \), at a distance \( x \) from its centre is:
A current \( i \) flows through a circular loop of radius \( R \). The ratio of the magnetic field produced at its centre to the field produced at a point at a distance \( \frac{R}{\sqrt{3}} \) from its centre on its axis is:
Two particles of charges in the ratio \( 1:2 \) and masses in the ratio \( 2:3 \) moving along a straight line enter a uniform magnetic field at right angles to the direction of the field. If the radii of the circular paths of the particles in the magnetic field are in the ratio \( 3:4 \), then the ratio of the initial linear momenta of the two particles is: