List of top Questions asked in TS EAMCET- 2024

If the relaxation time is doubled and the applied electric field is tripled, then the drift speed of electrons:

In Bohr model of hydrogen atom, if the difference between the radii of $ n^{th} $ and$ (n+1)^{th} $orbits is equal to the radius of the $ (n-1)^{th} $ orbit, then the value of $ n $ is:

The power gain of a transistor operating in common emitter configuration is 32,000. If the input and output resistances of the circuit are 1200 $ \Omega $ and 6000 $ \Omega $ respectively, then the current gain is:

If two linear antennas having lengths in the ratio 2:3 are emitting radiations of wavelengths in the ratio 8:9, then the ratio of effective powers radiated by them are in the ratio:

The work function of a photosensitive metal surface is $ 1.1 $ eV. Two light beams of energies $ 1.5 $ eV and $ 2 $ eV incident on the metal surface. The ratio of the maximum velocities of the emitted photoelectrons is?

In an n-type semiconductor, electrons are majority charge carriers and holes are minority charge carriers. The charge of an n-type semiconductor is?

A ball of mass 200 g moving with certain velocity collides with another ball of mass 600 g at rest. If the coefficient of restitution is 0.6, the ratio of the velocity of 600 g ball after collision and the velocity of 200 g ball before collision is:

Consider the wave represented by the equation $ y = (0.02) \sin \left( \pi x + 8\pi t \right) $, where all quantities are in SI units. The wavelength and speed of this wave respectively are $ y = (0.02) \sin \left( \pi x + 8\pi t \right) $.

A current carrying wire is first bent in the form of a circular loop and then bent in the form of a square loop. The ratio of the magnetic fields induced at the centres of the loops in the two cases is:

The tension applied to a metal wire of one metre length produces an elastic strain of 1%. The density of the metal is $ 8000 \, kg/m^3 $ and Young's modulus of the metal is $ 2 \times 10^{11} \, Nm^{-2} $. The fundamental frequency of the transverse waves in the metal wire is:

When a monochromatic light is incident on a surface separating two media, both the reflected and refracted lights have the same:

A wooden cube is floating in a bucket of water with $\frac{3}{4}$ of its volume immersed. If this bucket with the wooden block is now placed in a lift moving down with an acceleration of $\frac{g}{2}$, the fraction of volume of the wooden cube immersed in water is:

A charged particle of mass 5 g and charge 20 μC is thrown with a velocity of 16 m/s$^-1$ in a direction opposite to the direction of a uniform electric field of $ 2 \times 10^5 $ N/C. The distance travelled by the particle before coming to rest is:

If the nucleus $X^{240}$, initially at rest, splits into two daughter nuclei $Y^{100}$ and $Z^{140}$, then the ratio of the kinetic energies of $Y$ and $Z$ is

An alphabet 'a' made of two similar thin uniform metal plates of each length $ L $ and width $ a $ is placed on a horizontal surface as shown in the figure. If the alphabet is vertically inverted, the shift in the position of its center of mass from the horizontal surface is:

A block of mass 2 kg is tied to one end of a 2 m long metal wire of 1.0 mmÂ² area of cross-section and rotated in a vertical circle such that the tension in the wire is zero at the highest point. If the maximum elongation in the wire is 2 mm, the Young's modulus of the metal is:

A solid sphere rolls down without slipping from the top of an inclined plane of height 28 m and angle of inclination 30Â°. The velocity of the sphere when it reaches the bottom of the plane is (Acceleration due to gravity $ g = 10 \, \text{m/s}^2 $)

Young's double slit experiment is performed with monochromatic light of wavelength $ 6000 \text{Ã…} $. If the intensity of light at a point on the screen where the path difference is $ 2000 \text{Ã…} $ is $ I_1 $ and the intensity of light at a point where path difference is $ 1000 \text{Ã…} $ is $ I_2 $, then the ratio $ I_1: I_2 $ is:

The most exotic diamagnetic materials are:

The displacement of a particle in simple harmonic motion is given by: \[ x = A_0 \cos \left( \frac{\pi}{2} t \right) \] The distance traveled by the particle in the interval between $ t = 2 $ and $ t = 5 $ seconds and its position at $ t = 5 $ second are:

A black body at a temperature of 125$^\circ$C emits heat at the rate of 32 W. The rate of heat emitted by the body when the temperature of the body is increased by 398 K is:

A current $ i $ flows through a circular loop of radius $ R $. The ratio of the magnetic field produced at its centre to the field produced at a point at a distance $ \frac{R}{\sqrt{3}} $ from its centre on its axis is:

Magnetic field on the axis of a short bar magnet of magnetic moment $ M $, at a distance $ x $ from its centre is:

The refractive index of the material of a small angled prism is $ 1.6 $. If the angle of minimum deviation is $ 4.2^\circ $, the angle of the prism is?