List of top Questions asked in TS EAMCET

Which one of the following order is correct regarding the covalent character of given molecules?
Reactor used to produce fissile material is:
If a substance decays from 32 g to 1 g in 25 days, then its half-life 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:
The energy gap between conduction and valence bands of silicon is:
Which of the following gives proof of quantized electronic energy levels in hydrogen atom?
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:
Resonance phenomenon is exhibited by a circuit only if:
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:
A galvanometer of resistance 99.9 \( \Omega \) gives a full scale deflection when 5 mA current is passed through it. The resistance to be connected to the galvanometer such that it can be converted into an ammeter of range 0-5 A is:
The relation between the charge \( Q \) (in coulombs) passing through a resistor of resistance 200 \(\Omega\) and the time of flow of charge \( t \) (in seconds) is \( Q = 3t - 4t^2 \). The total heat produced in the resistor up to the time when instantaneous current becomes zero is:
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:
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:
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:
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?
When a light ray incident on an equilateral prism, the angle of minimum deviation is found to be half of the angle of prism. The refractive index of the material of the prism is:
The gas that gives the highest fractional conversion of heat to work in an isobaric process is:
A solid sphere is rolling on a horizontal surface without slipping. The ratio of the translational and rotational kinetic energies of the sphere is
Two particles each of mass \(m\) are separated by a distance \(d\). If the mass of one of the particles is doubled without changing the distance between the two particles, then the shift in the position of the center of mass is
The time period of a simple pendulum on the surface of the earth is \( T \). The time period of the same pendulum at a height of 1280 km from the surface of the earth is
The theory currently accepted as proper framework for explaining microscopic phenomena is
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:
Assertion (A): Influenza vaccine is an inactivated whole agent vaccine.
Reason (R): It contains killed microbes.