List of top Physics Questions asked in AP EAMCET

When a signal is applied to the input of a transistor it was found that output signal is phase-shifted by 180\(^\circ\). The transistor configuration is
In Young's double slit experiment, the intensity at a point where the path difference is \( \frac{\lambda}{6} \) ( \( \lambda \) being the wavelength of the light used) is \( I \). If \( I_0 \) denotes the maximum intensity, \( \frac{I}{I_0} \) is equal to
A body is executing simple harmonic motion. At a displacement \( x \), its potential energy is \( E_1 \), and at a displacement \( y \), its potential energy is \( E_2 \). The potential energy \( E \) at a displacement \( (x + y) \) is:

The domain in ferromagnetic material is in the form of a cube of side 2 mum. Number of atoms in that domain is \(9 \times 10^{10}\) and each atom has a dipole movement of \(9 \times 10^{-24} \, \text{Am}^2\). The magnetisation of the domain is (approximately).

A particle starts from rest and moves in a straight line. It travels a distance \(2L\) with uniform acceleration and then moves with a constant velocity a further distance of \(L\). Finally, it comes to rest after moving a distance of \(3L\) under uniform retardation. Then the ratio of average speed to the maximum speed \( \left( \frac{V_{avg}}{V_{m}} \right) \) of the particle is:
Water flows from a tap of diameter 1.5 cm with velocity \( 7.5 \times 10^{-5} \, \text{m}^{3}\text{s}^{-1} \). The coefficient of viscosity of water is \( 10^{-3} \) Pas. The flow is:
A rectangular coil of size 15 cm \( \times \) 20 cm is placed in XY plane in a region of uniform electric field \( 3 \times 10^3 \, {KVm}^{-1} \). Then the electric flux through the coil is:
A short magnet oscillates with a time period of 0.1 s at a place where the horizontal magnetic field is 24 \(\mu T\). A downward current of 18 A is established in a vertical wire kept at a distance of 20 cm east of the magnet. The new time period of oscillations of the magnet is:
The displacement of a particle executing SHM is given by \( X = 0.01 \sin 100\pi (t + 0.05) \). The time period of the particle is:
A balloon carrying some sand of mass \( M \) is moving down with a constant acceleration \( a_0 \). The mass \( m \) of sand to be removed so that the balloon moves up with double the acceleration \( a_0 \) is:

If the input frequency is 50 Hz, the output frequency of a full wave rectifier is: 
 

If the earth shrinks until its radius becomes \(\frac{3}{4}\) of its original, the new duration of the day would be (mass unchanged):

The ratio of the number of turns per unit length of two solenoids A and B is \(1:3\) and the lengths of A and B are in the ratio \(1:2\). If the two solenoids have the same cross-sectional area, the ratio of the self-inductances of the solenoids A and B is:

The ratio of kinetic energy of a molecule of neon to that of the oxygen gas at 27°C is
A message signal of 3 kHz is used to modulate a carrier signal frequency 1 MHz, using amplitude modulation. The upper side band frequency and band width respectively are
A particle of mass 'm' having charge '(-q)' moves in a circular orbit of radius 'r' around a fixed charge '(+Q)'. The relation between time period \(T\) and radius of the orbit 'r' is:
If the ratio of lengths, radii, and Young's moduli of steel and brass wires are \(a\), \(b\), and \(c\) respectively, their respective loads are in the ratio 5:3, then the corresponding ratio of increase in their lengths would be:
In a Carnot engine, when the temperatures are \( T_2 = 0^\circ C \) and \( T_1 = 200^\circ C \), its efficiency is \( \eta_1 \), and when the temperatures are \( T_1 = 0^\circ C \) and \( T_2 = -200^\circ C \), its efficiency is \( \eta_2 \). Then the value of \( \frac{\eta_1}{\eta_2} \) is:
Pure silicon at 300K has equal electron and hole concentration of \( 1.5 \times 10^{16} \) m\(^{-3}\). If the hole concentration increases to \( 3 \times 10^{22} \) m\(^{-3}\), then the electron concentration in the silicon is:
A running man has half the kinetic energy of a boy of half his mass. The man speeds up by \(1 \, {m/s}^{-1}\) to have the same kinetic energy as the boy. The initial speed of the man is:
The angle of dip at a place where the vertical and horizontal components of earth's magnetic field become equal is:
Depth of a river is \(100 \, {m}\). Magnitude of compressibility of the water is \(0.5 \times 10^{-9} \, {N}^{-1}{m}^2\). The fractional compression in water at the bottom of the river is (Acceleration due to gravity = \(10 \, {m/s}^2\))
If the kinetic energy of a particle in motion is decreased by 36%, the increase in de Broglie wavelength of the particle is:
A pipe with 30 cm Length is open at both ends. Which harmonic mode of the pipe resonates a 1.65 kHz source? (Velocity of sound in air = 330 m/s)
The displacement of a particle of mass \(2g\) executing simple harmonic motion is \[ x = 8 \cos \left( 50t + \frac{\pi}{12} \right) \text{ m}, \] where \(t\) is time in seconds. The maximum kinetic energy of the particle is: