List of top Physics Questions asked in TS EAMCET

A block of mass 5 kg is kept on a smooth horizontal surface. A horizontal stream of water coming out of a pipe of area of cross-section \( 5 \, \text{cm}^2 \) hits the block with a velocity of \( 5 \, \text{ms}^{-1} \) and rebounds back with the same velocity. The initial acceleration of the block is: (Density of water is \( 1 \, \text{g/cc} \)) \vspace{0.5cm}

The maximum horizontal range of a ball projected from the ground is 32 m. If the ball is thrown with the same speed horizontally from the top of a tower of height 25 m, the maximum horizontal distance covered by the ball is: (Acceleration due to gravity \( g = 10 \, \text{m/s}^2 \)) \vspace{0.5cm}

The position \( x \) (in meters) of a particle moving along a straight line is given by: \[ x = t^3 - 12t + 3 \] where \( t \) is time (in seconds). The acceleration of the particle when its velocity becomes \( 15 \, \text{ms}^{-1} \) is: \vspace{0.5cm}

The energy gap between conduction and valence bands of silicon is:

The height of a transmitting antenna is 320 m and the height of a receiving antenna is 20 m. The maximum distance between them for satisfactory communication in LOS mode is:

The current gain of a transistor in common emitter configuration is 45. If the resistances in collector and base sides of the circuit are 4.5 kΩ and 900 Ω, the voltage gain of the amplifier is:

If a substance decays from 32 g to 1 g in 25 days, then its half-life is:

Reactor used to produce fissile material is:

A paramagnetic substance in the form of a cube of side 3 cm has a magnetic moment of \(243 \times 10^{-6}\) Am\(^2\), when a magnetic field of intensity \(150 \times 10^{3}\) Am\(^{-1}\) is applied. The susceptibility of the substance is:

A coil of 100 turns and 0.10 m\(^2\) area, making two rotations per second is placed in a 0.01 T uniform magnetic field perpendicular to its axis of rotation. The maximum voltage generated in the coil is:

The physical quantity which has the same value for green light, \(\gamma\)-radiation, and X-rays is:

Resonance phenomenon is exhibited by a circuit only if:

A cell of emf 2 V is connected to an external resistor. If the current through the resistor is 200 mA and the terminal voltage of the cell is 87.5% of the emf of the cell, then the internal resistance of the cell is:

The radii of two conducting spheres A and B of each charge +90 µC are 8 cm and 10 cm respectively. When the two spheres are connected by a conducting wire, then the charge flowing from sphere A to sphere B is:

In Young's double slit experiment, the wavelength of the monochromatic light used is \( \lambda \), the distance between the slits is \( 5\lambda \) and the distance of the screen from the plane of the slits is 100 cm. If the maximum intensity on the screen is \( I_0 \), then the intensity at a point on the screen which is at 5 cm from the central maximum is:

Sixteen point charges each of charge \( q \) are placed on the circumference of a circle of radius \( r \) with equal angular spacing. If one of the charges is removed, then the net electric field at the centre of the circle is \( \varepsilon_0 \) (where \( \varepsilon_0 \) is the permittivity of free space). What is the net electric field at the centre?

A body thrown vertically upwards with certain velocity from the ground reaches a maximum height \( H \). The ratio of the times at which the body is at a height of \( \frac{H}{2} \) is: