List of top Physics Questions asked in AP EAPCET

As shown in the figure, if a solid sphere of mass $M$ rolling with a speed $v$ on a horizontal surface strikes a spring of force constant $k$, then the maximum compression of the spring is

The upper end of a wire of length 5 m is fixed to the ceiling and a 20 kg mass is attached at its lower end. If the wire makes an angle $60^\circ$ with the horizontal, then the moment of force due to gravity to the upper end of the wire is: (Acceleration due to gravity = 10 m s$^{-2}$)

A machine gun with power 15 kW can fire 360 bullets per minute. If the mass of each bullet is 5 g, then the velocity of the bullets is:

If a linear antenna radiates a power $P$ at a wavelength $\lambda$, then the power radiated by the same antenna at a wavelength of $\frac{\lambda}{\sqrt{3}}$ is:

If an inductor of inductance $0.5 \, \mu H$ is connected to an AC source of frequency 70 MHz and voltage 3.3 V, then the current through the inductor is:

Two cells of each emf $1.5\,{V}$ and internal resistance $1\,\Omega$ are first connected in series to an external resistance $R$, and then the cells are connected in parallel to the same resistance. If the ratio of the potential differences across $R$ in the two cases is $4:3$, then the value of $R$ is:

If a sound wave emitted by a stationary source of frequency 680 Hz travels towards a stationary observer 150 m away, then the number of waves between the source and observer are (speed of sound in air = 340 m s$^{-1}$)

A source of light approaching the Earth emits a light of wavelength $600\, {nm}$. If this light is observed at a wavelength of $599\, {nm}$ by an observer on Earth, then the speed of the source of light in km/s is: \[ {(speed of light in vacuum } c = 3 \times 10^8 \, {m/s)} \]

If an electric generator produces a potential difference of $180\,{kV}$ in a spark of length $9\,{cm}$, then the maximum electric field generated is:

The efficiency of a Carnot engine operating between the temperatures 1000 K and 300 K is

The slope of kinetic energy (on y-axis) and linear displacement (on x-axis) graph of a body gives the rate of change of:

If the measured values of the voltage across and the current through a resistor are $(100 \pm 5)\,V$ and $(10 \pm 0.2)\,A$ respectively, then the error in the determination of the resistance is:

If a body is thrown vertically upwards from the ground with a velocity of 20 m/s, then its displacement during the last second of upward motion is (Acceleration due to gravity $g=10\,m/s^2$):

For a particle moving in x-y plane, if at any instant of time ‘t’ (in second) its displacements (in metre) are $x=2t^{2}-t$ and $y=4t^{2}-4t$, then the velocity of the particle at a time $t=1\,s$ is:

A body of mass 6 kg is moved with uniform speed on a rough horizontal surface through a distance of 200 cm. If the coefficient of kinetic friction between the surface and the body is 0.1, then the work done against friction is (Acceleration due to gravity $g = 10\, m/s^2$):

If the time taken for a block to slide down a smooth inclined plane of angle of inclination $30^\circ$ is 4 s, then the time taken by the block to slide down a rough inclined plane of the same length and same angle of inclination is
(The coefficient of kinetic friction between the inclined plane and the block = $0.28/\sqrt{3}$)

If a ball released from a height $H$ takes a time $T$ to reach the ground, then the position of the ball from the ground at a time $\frac{T}{2}$ is:

A wire of resistance 10 $\Omega$ is stretched to twice its original length. What is the new resistance?

Two point charges +4µC and -9µC are placed 2m apart in air. Find the point on the line joining them where the electric potential is zero.

The ratio of radii of first orbits of He$^+ $ and Li$^{2+}$ is:

A ball is thrown vertically upward with a velocity of 20 m/s from the top of a multistory building. The height of the point from where the ball is thrown is 25 m above the ground. Find the time taken before the ball hits the ground. (Take $ g = 10 \, \text{m/s}^2 $).

Two resistors of $4\, \Omega$ and $6\, \Omega$ are connected in parallel. What is the equivalent resistance?

A ball is thrown vertically upward with a velocity of 20 m/s. What is the maximum height reached by the ball? (Take $ g = 10 \, m/s^2 $)

A concave mirror forms an image at twice the focal length from the mirror. What is the nature and size of the image compared to the object?

A particle is projected at an angle of $ 60^\circ $ to the horizontal with an initial speed of $ 20 \, \text{m/s} $. If $ g = 10 \, \text{m/s}^2 $, what is the maximum height reached by the particle?