List of top Physics Questions asked in TS EAMCET

An $\alpha$-particle of energy \( E \) is liberated during the decay of a nucleus of mass number 236. The total energy released in this process is 236. The total energy released in this process is
A body moving with uniform acceleration travels a distance of 25 m in the fourth second and 37 m in the sixth second. The distance covered by the body in the next two seconds is
The half-lives of two radioactive materials A and B are respectively \( T \) and \( 2T \). If the ratio of the initial masses of the materials A and B is 8:1, then the time after which the ratio of the masses of the materials A and B becomes 4:1 is:
The initial and the final temperatures of a black body are $27^\circ C$ and $177^\circ C$ respectively. The increase in the amount of radiation emitted per second is:
The ratio of the degrees of freedom of monatomic and diatomic gas molecules is:
An observer is standing below a freely falling source of sound of frequency 900 Hz. The change in the frequency noticed by the observer after 3 seconds of free fall of the source is (speed of sound in air is 330 ms\(^{-1}\) and acceleration due to gravity = 10 ms\(^{-2}\))
A prism having angle \(\theta\) and refractive index of the material of prism ‘n’ are related by \[ \theta = 2\sin^{-1} \left( \frac{1}{\sqrt{n^2 + 1}} \right) \] - If the angle of minimum deviation is \(60^\circ\), then the angle of the prism is
A polaroid sheet ‘P’ is placed on another similar polaroid sheet ‘Q’ such that the angle between their axes is \(45^\circ\). - The ratio of the intensities of the light emerged from polaroid ‘Q’ and the unpolarised light incident on polaroid ‘P’ is
A charged particle of mass 5 g and charge 20 μC is thrown with a velocity of 16 m/s\(^-1\) in a direction opposite to the direction of a uniform electric field of \( 2 \times 10^5 \) N/C. The distance travelled by the particle before coming to rest is:
Two positive point charges of \(10 \, \mu C\) and \(12 \, \mu C\) are kept in air with a separation of 12 cm. - To make the distance between the charges 4 cm, the work done is
A storage battery of emf \(10V\) and internal resistance \(1 \Omega\) is being charged by a \(100V\) dc supply using a series resistor of \(17 \Omega\). - The terminal voltage of the battery during charging is
In a meter bridge, when an unknown resistance ‘R’ is connected in the left gap, the null point is obtained at 25 cm from the left end of the wire. - If the resistance in the left gap is increased by 100\%, the distance of the null point from the left end of the wire increases by
A coil of 200 turns and area of cross-section \(5 \times 10^{-3} \, m^2\) carries a current of 3 A. - The magnetic moment of the coil is
When a diamagnetic substance of relative permeability \(0.5\) is filled inside a solenoid, then its self-inductance
When an alternating voltage given by \(E = 100 \sin(10^2 t)\), where \(E\) is in volts and \(t\) is in seconds, is applied across a capacitor of capacitance \(20 \, \mu F\), the peak current flowing in the circuit is
If the wavelength of the incident radiation on a photosensitive metal surface is decreased from \(3100 \, \text{Å}\) to \(1550 \, \text{Å}\), the maximum kinetic energy of the emitted photoelectrons is tripled. - The work function of the metal surface is
In Geiger-Marsden experiment, if the initial speed of \(\alpha\) particle is doubled, then the closest distance of approach of the \(\alpha\) particle from the gold nucleus - (Assume \(\alpha\) particle is projected straight towards the gold nucleus)
The energy equivalent of \(3.2 \, \mu g\) of mass is
If the nucleus \(X^{240}\), initially at rest, splits into two daughter nuclei \(Y^{100}\) and \(Z^{140}\), then the ratio of the kinetic energies of \(Y\) and \(Z\) is

The power delivered by the battery shown in the figure is - (Take the forward and reverse biased resistances of the diode are zero and infinity respectively)

A \(5\) kHz frequency signal is amplitude modulated on a carrier wave of frequency \(2\) MHz. - One possible frequency of the resultant signal is
The momentum of an electron is \(6.625 \times 10^{-28} \, kg \cdot ms^{-1}\). What is its wavelength in nm? - (Given: \( h = 6.625 \times 10^{-34} \, J \cdot s\))

The following orbital energies (\(E\)) are compared. Identify the correct sets 

(I) E2(H) = E2(H)
(II) E3(H) = E3(He)
(III) E2s(H) < E2s(He)
(IV) E3s(He) < E3s(H)

In a common emitter transistor circuit, if the emitter current is changed by 4 mA, the collector current changes by 3.5 mA, then the current gain is
If two electromagnetic waves with electric fields given by \[ \vec{E_1} = E_0 \sin (kx - \omega t) \hat{j} \] and \[ \vec{E_2} = E_0 \sin (kx - \omega t + \pi) \hat{j} \] - interfere, then the peak value of the electric field of the resultant wave is