List of top Physics Questions asked in TS EAMCET

Approximate bandwidth required to transmit music is:
Electron-positron annihilation produces photons. Momentum of each photon is: (m = $9\times10^{-31}$ kg)
Two OR gates and one AND gate are connected as shown. Find correct truth table output Y.
An electron in n-region enters p-region with speeds $5\times10^5$ m/s and $3\times10^5$ m/s before and after barrier. Find barrier potential.
Ratio of wavelengths of first and third Lyman spectral lines of hydrogen atom is:
If a thorium nucleus of mass number 232 and atomic number 90 emits six $\alpha$-particles and four $\beta$-particles, then the ratio of number of protons to neutrons in the final nucleus is:
A proton and alpha particle enter same magnetic field with same KE at 30° angle. Ratio of pitches is:
The magnetic flux linked with a coil varies as $\phi = 2.5t^2 + 5t + 7$ (t in s). If the induced electric power at t = 3 s is 2 W, then the power at t = 5 s is:
The rms electric field of an EM wave is $30\sqrt{\pi}\ \text{V m}^{-1}$. Find its intensity in free space.}
Work function = 1.8 eV. KE max = 2.2 eV. Frequency is doubled. Find new KE max.
A series RC circuit has R = $\frac{125}{\sqrt{3}}\ \Omega$, C = $\frac{40}{\pi}\ \mu F$, and f = 100 Hz. Find phase difference between current and voltage.}
If magnetic field at equator is 0.4 G, earth's magnetic dipole moment is of order: (R = 6400 km)
In a meter bridge, balancing point is at 25 cm. After shunting both resistances equally, balance shifts by 15 cm. Find $R_1$ and $R_2$.
A solenoid has 15 cm circumference and 70 turns/m carrying 2 A. Magnetic field inside and outside is:
In YDSE, intensity at path difference $\lambda/3$ is I. Find intensity at path difference $\lambda$.
If $\phi_A$ and $\phi_B$ are the electric fluxes leaving and entering a Gaussian surface respectively, then the charge enclosed is:
If $\phi_A$ and $\phi_B$ are the electric fluxes leaving and entering a Gaussian surface respectively, then the charge enclosed is:
The spheres A, B and C have radii R, R and 2R respectively. Initially A has charge -Q, B is neutral and C has charge such that its surface charge density equals that of A. After contact and separation, charges are:
A point object moves towards a concave mirror (f = 20 cm) at 4 cm/s. Find speed of image when object is at 60 cm.
Focal lengths of objective = 20 m and eyepiece = 1 cm. Find angular magnification of telescope.
Lengths of two open pipes are in ratio 5:6. If 8 beats per second are heard when both vibrate in fundamental mode, find frequency of third harmonic of longer pipe.
A wire of length 100 cm is clamped between two rigid supports and vibrates in fundamental mode. If amplitude at midpoint is A, distance between two points having amplitude $\frac{A}{\sqrt{2}}$ is:}
The temperatures of source and sink of a Carnot heat engine are $127^\circ C$ and $27^\circ C$ respectively. If the working substance is 2 moles of a rigid diatomic gas, then the decrease in internal energy during adiabatic expansion is: (R = 8.31 J mol$^{-1}$K$^{-1}$)
If the average kinetic energy of molecules of a gas at $30^\circ C$ is U, then temperature at which it becomes 2U is:
Two identical boxes A and B have thermal conductivities 180 and 270 W m$^{-1}$K$^{-1}$. Ice in A melts in 21 min. Time for half ice in B to melt is:}