List of top Physics Questions asked in TS EAMCET

A car of mass 1100 kg is moving on a straight rough horizontal surface with a speed of 43.2 kmph. If the coefficient of friction between the surface and the tyres of the car is 0.3, then the shortest distance in which the car can come to rest is (Acceleration due to gravity = $10~\text{m s}^{-2}$)
A body of mass 50 g is projected vertically upwards from the ground. If the kinetic energy of the body at a height of 32 m is 100% more than its potential energy, then the height at which the potential energy of the body becomes 60% of its kinetic energy is
The Reynolds number and nature of flow of water flowing with a velocity of $10~\text{cm s}^{-1}$ through a pipe of diameter $1.8~\text{cm}$ is (Coefficient of viscosity of water $=10^{-3}~\text{Pa s}$)
If the mean life of a radioactive sample is 10 minutes, then the time (in minutes) taken for the activity of the radioactive sample to become $\mathrm{e}^{21}$ times its initial activity is
A Zener diode of breakdown voltage 6 V is connected as shown in the circuit. The power dissipated in the Zener diode is
If the time period of an alpha particle rotating in a circular path of radius 2 fermi is 3.14 $\mu$s, then the magnetic field induced at the centre of the circle is nearly
A spherical shell of radius 1 m, made of a steel sheet of thickness 5 mm and completely filled with ice at $0^\circ$C is immersed in boiling water. The time taken for the ice to melt completely is (Thermal conductivity of steel = $45~\text{Wm}^{-1}\text{K}^{-1}$ and density of ice is $0.9~\text{g cm}^{-3}$)
A galvanometer of resistance 8 $\Omega$ gives full scale deflection for a current of 4 mA. The resistance to be connected in series to the galvanometer to convert it into a voltmeter to measure a maximum potential difference of 20 V is
A layer of oil of thickness 5.8 cm is floating on a water layer of thickness 8 cm. If the total apparent depth is 10 cm and the refractive index of water is 3/4, then the refractive index of oil is
The successive frequencies produced by an organ pipe are 330 Hz, 440 Hz and 550 Hz. If the speed of sound in air is 330 m/s then the length of the organ pipe is
10 g of ice at $-20^\circ$C is dropped into a calorimeter of water equivalent 20 g, containing 10 g of water at $20^\circ$C. At equilibrium, the mass of the ice in the mixture is
A body is falling freely under gravity from a certain height from the ground. If the sum of the displacements of the body in the second and third seconds of its motion is 32% of the height from which it is falling, then the speed with which the body hits the ground is (Acceleration due to gravity = $10~\text{m s}^{-2}$)
The charge on a parallel plate capacitor is 200 μC and its capacitance is 4 μF. If the distance between the plates of the capacitor is 2 mm, then the electric force between the plates of the capacitor is
A ball is projected vertically up with speed \( V_0 \) from a certain height H. When the ball reaches the ground the speed is \( 3V_0 \). The time taken by the ball to reach the ground and height H respectively are (g = acceleration due to gravity)

Three logic gates are connected as shown in the figure. If the inputs are \( A = 1 \) and \( B = 1 \), then the values of \( y_1 \) and \( y_2 \) respectively are:
 


 

A body is projected from the surface of the earth with a velocity of \( 10 \sqrt{3} \, \text{m/s} \) such that its range is maximum. The velocity of the body at half of the maximum height is:
Water flows through a horizontal pipe of variable cross-section at the rate of 12\(\pi\) litres per minute. The velocity of the water at the point where the diameter of the pipe becomes 2 cm is:
A convex lens of focal length 10 cm is placed coaxially at a distance of 4 cm to the right of another convex lens of focal length 16 cm. If an object is placed at a distance of 8 cm to the left of the convex lens of focal length 16 cm, then the distance of the final image from the object is:

A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:

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
In a hydrogen atom, the frequency of the photon emitted when an electron jumps from the second orbit to the first orbit is 'f'. The frequency of the photon emitted when an electron jumps from the third excited state to the first excited state is:
The change in moment of inertia of a solid sphere of mass \( M \), radius \( R \), for a small change in temperature \( \Delta t \) is:
A wooden cube of side 10 cm floats at the interface between water and oil with its lower surface 3 cm below the interface. If the density of oil is 0.9 g/cm³, the mass of the wooden cube is:
The ratio of the values of acceleration due to gravity at heights \( h_1 \) and \( h_2 \) from the surface of the earth is \( 16:9 \). If height \( h_1 = 2R_E \), then \( h_2 \) is:
An aircraft executes a horizontal loop of radius 9 km at a constant speed of 540 km/h. The wings of the aircraft are banked at an angle of