List of top Physics Questions asked in TS EAMCET

A metal sphere of density \(9300\text{ kg m}^{-3}\) and radius \(1.5\text{ mm}\) is falling with a terminal velocity \(V\) through a vertical column of liquid of density \(1300\text{ kg m}^{-3}\) and coefficient of viscosity \(\eta\). The terminal velocity of another sphere of the same metal but of radius \(3\text{ mm}\) falling through another liquid of density \(800\text{ kg m}^{-3}\) and coefficient of viscosity \(1.7\eta\) is:
A hydraulic lift has pistons of areas \(2\text{ cm}^2\) and \(50\text{ cm}^2\). To lift a car placed on the larger piston by a distance of \(150\text{ cm}\), if the work to be done by the smaller piston is \(18\text{ kJ}\), then the force to be applied on the smaller piston is:
Two metal wires A and B of lengths 80 cm and 120 cm respectively having equal cross-sectional area are connected to form a long wire. When the combination is subjected to a tension, the elongations of the wires A and B are 0.8 mm and 1.5 mm respectively. If the Young's modulus of the material of wire A is \(1.6\times10^{11}\text{ Nm}^{-2}\), then the Young's modulus of the material of wire B (in \(10^{11}\text{ Nm}^{-2}\)) is:
Two forces are acting on a block of mass \(5\,\text{kg}\) as shown in the figure. If the coefficient of kinetic friction between the block and the surface is \(0.25\), then the net work done in accelerating the block for \(15\) seconds is (Acceleration due to gravity \(=10\,\text{ms}^{-2}\)):
A boat of mass \(200\,kg\) and length \(10\,m\) is floating on water. If a boy of mass \(50\,kg\) standing at one end of the boat at a distance of \(20\,m\) from the shore moves to the centre of the boat away from the shore, then the distance of the centre of mass of the boat from the shore is:
A body of weight \(W\) is hung with the help of a rope of negligible mass from a helicopter moving in a vertical plane. If the vertical upward acceleration and the horizontal acceleration of the helicopter are each equal to the acceleration due to gravity, then the tension in the rope is:
A cubical block of cork of side \(10\text{ cm}\) is floating in water. When the cork is depressed slightly and then released, if it oscillates with a time period of \(0.5\text{ s}\), then the mass of the block is nearly (Acceleration due to gravity \(=10\text{ ms}^{-2}\)):
A body is projected from a certain height with an initial velocity \(u\) making an angle \(\theta\) above the horizontal. The time taken for its vertical and horizontal displacements to become equal is:
A ladder of length \(3\,m\) and mass \(20\,kg\) leans on a frictionless wall with its feet at rest on the floor \(1\,m\) away from the wall. The reaction force of the wall on the ladder is nearly:
A body of mass \(4\,kg\) moving with a velocity of \(12\,ms^{-1}\) collides head-on with a stationary body of mass \(2\,kg\). If the relative velocity of separation of the two bodies after collision is \(6\,ms^{-1}\), then the percentage loss of kinetic energy of the body of mass \(4\,kg\) is:
The scientific principle useful for the working of a fusion test reactor is:
A car and a motor cycle start their motion from the same point with initial velocities \(23.7\text{ ms}^{-1}\) and zero respectively. If the accelerations of the motor cycle and car are \(3.8\text{ ms}^{-2}\) and zero respectively, then their relative velocity when the motor cycle crosses the car is:
If the distance between Earth and Jupiter is \(810\times10^6\text{ km}\) and the angular diameter of Jupiter measured from Earth is \(36''\), then the diameter of Jupiter (in km) is nearly:
The volume of a material reduces by 2% when the pressure is increased from 1 atm to 2 atm. What is its bulk modulus?
The volume of a material reduces by 2% when the pressure is increased from 1 atm to 2 atm. What is its bulk modulus?
If the average terminal velocity of rain drop is 2 ms\(^{-1}\), then the energy transferred by rain to each square meter of the surface at a place which receives 100 cm of rain in a year is
Consider a series of measurements of the length of a box in an experiment. The readings are 2.4m, 2.5m, 2.6m, 2.8m, 3.0m. What would be the relative error?
A particle executes simple harmonic motion according to the equation \( x(t) = A \sin^2(\alpha t) \). If the time period of the S.H.M is 0.2 s, then the value of \( \alpha \) (in units of rad/s) is:
A car is moving with velocity V at the top of a semi-circular hill of radius 40 m such that the normal force on it is zero. Find the velocity (V) of the car. [use \( g = 10 \, \text{ms}^{-2} \)]
Beats are produced by superposition of two waves with:
A body starts from rest and moves with uniform acceleration. The ratio of distance covered in 4th and 3rd seconds is:
A car is moving with velocity V at the top of a semi-circular hill of radius 40 m such that the normal force on it is zero. Find the velocity (V) of the car. [use $g = 10\ ms^{-2}$]
A monochromatic radiation of wave length $\lambda$ is incident on a hydrogen sample in ground state. The sample subsequently emits radiation of six different wave lengths, then the value of $\lambda$ is [Use $ch = 1242\text{ eV-nm}$]
Car A is moving to the east with a speed of 30 km/hr, and car B is moving to the north with the same speed. What is the velocity of car B as measured in car A?
The susceptibility of Al is $2 \times 10^{-5}$. The percent increase in the magnetic field when the space within a current carrying toroid is filled with Al is: