List of top Physics Questions asked in AP EAPCET

A car moving with uniform acceleration covers the distance of 200 m in first 2 seconds and the distance of 220 m in next 4 seconds. The velocity of the car after 7 seconds is

If Young’s modulus of elasticity is $Y = \dfrac{2mg l^2}{5b t e}$, where ‘g’ is the acceleration due to gravity, ‘m’ is the mass, ‘l’ is the length, ‘b’ is the breadth, ‘t’ is the thickness and ‘e’ is the elongation, then the value of $k$ is

A 567 W bulb has a tungsten filament of length 40 cm and radius $\dfrac{2}{\pi}$ mm. If the radiation of the filament is 81% of that of a perfect black body, then the temperature of the filament is
(Stefan's constant, $\sigma = 5.67 \times 10^{-8}$ W m$^{-2}$ K$^{-4}$)

A ball of mass 50 g moving with a velocity of 10 ms$^{-1}$ is hit by a bat and the ball retraces back with a velocity of 20 ms$^{-1}$. Then the impulse on the ball is
The waves that are used for line-of-sight (LOS) communication are
The working principle of atom bomb
The wavelength of a photon is equal to the de Broglie wavelength of a particle moving with a speed of 75% of the speed of light in vacuum. The ratio of the kinetic energy of the particle and the energy of the photon is
The ratio of the shortest and the longest wavelengths observed in all the five spectral series of hydrogen spectrum is
In a transistor connected in CE configuration, the emitter current increases from 10 mA to 20 mA when the base current increases from 0.12 mA to 0.24 mA. Then the current gain is
The p-n junction which generates an emf when the solar radiation incidents on it is
The ratio of the flux-linkage to current is
The electric field of an electromagnetic wave propagating in vacuum is given by $E = 35 \cos(kx - 4.5 \times 10^8 t)$ where $E_x$ and $t$ are in V/m and s respectively. The magnitude of the propagation vector $k$ is
Among the following, the quantity that is termed as gyro magnetic ratio is (Given: $m_e$ = mass of electron, $e$ = charge of electron)
Core of electromagnets are made of materials which have the properties
The AC current in a circuit is given by $3 \sin(\omega t)$ amperes. The time taken by the current to drop from RMS value to zero is
In a galvanometer, when the number of turns $N$ becomes $2N$ and resistance $R$ becomes doubled, then

In the given circuit, if the cell delivers maximum power to the circuit, then value of $R$ is

A conducting sphere of radius 5 cm has an unknown charge. The electric field at 10 cm from the center of the sphere is $1.8 \times 10^3$ N/C. The net charge on the sphere is

The figure shows a part of a circuit. The voltage across A and B is 4V. Then the voltages across 2 $\mu$F and 1.5 $\mu$F are respectively

Two equipotential surfaces A and B are separated by a distance x. The work done in moving a charge -q from A to B is (Assume $\varepsilon_0$ = permittivity of free space)

A wave is reflected from a rigid support. The change in phase on reflection will be
The colour which has the highest critical angle of incidence is

In the given circuit, the potential difference between B and D is zero. Then the value of the current I is

For a wavelength 670 nm of light coming from a galaxy moving with velocity $V$, the observed wavelength is 670.7 nm. The value of $V$ is
A liquid of density 800 kg/m$^3$ is used instead of mercury in the Torricelli barometer. What is the height of the liquid column if atmospheric pressure is 76 cm of Hg? (Density of mercury = $13.6 \times 10^3$ kg/m$^3$)