List of top Physics Questions asked in AP EAPCET

A solid sphere of mass 2 kg is rolling without slipping on a horizontal surface with a velocity 5 m/s. The rotational kinetic energy of the sphere is: Options:
The maximum acceleration with which a body of mass 200 kg is lowered into a well using a rope having a breaking force of 50 kg-wt is (Acceleration due to gravity = 10 $ ms^{-2} $)
The time taken by a boat to travel upstream to a certain distance and return back is 14 hours. If the velocity of boat in still water is 35 kmh$ ^{-1} $ and velocity of the stream is 5 kmh$ ^{-1} $, the distance travelled by the boat before it returns is
The potential difference across the ends of a conductor is $ (50 \pm 3) $ V and the current through it is $ (5 \pm 0.1) $ A. The percentage error in the measurement of the resistance of the conductor is: Options:
If the angle between two unit vectors $ \vec{A} $ and $ \vec{B} $ is $ \theta $, then \[ |\vec{A} + \vec{B}| = \]
The velocity (v) of a particle starting from rest increases linearly with time (t) as $ v = 4t $, where v is in $ ms^{-1} $ and t is in second. The distance covered by the particle in the first 4 seconds is

The electric potential at a point is given by $ V = \left(-5x + 3y + \sqrt{15z} \right) \, \text{volt}$.
The magnitude of the electric field at that point is

The attenuation of a signal is compensated by
If L is the inductance and C is the capacitance, then the frequency of a transistor oscillator is directly proportional to
The time period of revolution of an electron in an orbit of principal quantum number $ n $ is $ T $. If the relation between time period and principal quantum number is $ T \propto n^3 $, then $ x = $
A radioactive element A with half life 3 hours decays to a stable element B. After a time $ t $, the ratio of A and B atoms is 1:16 then the time $ t $ in hours is
If the electric field of an electromagnetic wave is increased by 100%, then the energy density of the wave increases by
When the voltage applied across a reverse biased p-n junction diode is increased, then the diffusion current
An electron, a proton and an alpha particle are moving with same kinetic energy. If $ \lambda_1, \lambda_2, \lambda_3 $ are the de Broglie wavelengths of the electron, proton and alpha particle respectively, then
A capacitor and a resistor are connected in series to an ac source of variable frequency. When the frequency of the ac source becomes $ \frac{1}{3} $rd of its initial value, the current in the circuit decreases by 50%. The power factor of the circuit at the initial frequency is
The end points of a uniform wire are joined to a cell of emf $ E $ and internal resistance $ r $. Starting from the midpoint of the wire and moving in the direction of the current, the potential $ V(x) $ is measured at every point till the midpoint is reached again. The plot that represents the potential $ V $ against distance $ x $ moved from mid point is
The magnitude of the magnetic field due to a circular coil of radius R carrying a current I at its centre is
The properties of a material required to make permanent magnets are
The particles with the following speed pass undeflected in the region of crossed fields

A torch bulb rated as 4.5 W, 1.5 V is connected in the circuit as shown in the figure. If the bulb glows with maximum intensity, then the emf (E) is nearly

The correct statement among the following is
In a medium in which a transverse progressive wave is travelling, the phase difference between two points with a separation of 1.25 cm is $ \frac{\pi}{4} $. If the frequency of the wave is 1000 Hz, the wave velocity will be

In the given volume (V) - absolute temperature (T) graph of an ideal gas, the relation between the pressures $ P_1 $ and $ P_2 $ is

In the circuit given below, the charge on the capacitor $ C_1 $ is

The force between two spheres with charges +7 $ \mu C $ and -5 $ \mu C $ is F. If each sphere is given an additional charge of +2 $ \mu C $, the new force of attraction will be