List of top Questions asked in TS EAMCET

A 60 kg man standing on a bridge, jumps vertically down onto a 540 kg boat moving in the river below him with a speed of 10 m/s. The change in the speed of the boat 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:
A block is placed in front of a convex lens as shown in the figure. Choose the most appropriate image of the block from the following options:
A block is placed in front of a convex lens
The ratio between electric field energy density and magnetic field energy density of an electromagnetic wave, in its region is:

The power of a thin convex lens placed in air is \( +4D \). The refractive index of the material of the convex lens is \( \frac{3}{2} \). If this convex lens is immersed in a liquid of refractive index \( \frac{5}{3} \), then: 

A short magnet placed in a uniform magnetic field making an angle with the field experiences a torque. If the angle made by the magnet with the field is changed from \(30^\circ\) to \(45^\circ\), the torque on the magnet?
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
A and B are two points of a string, in which a standing wave of wavelength \( \lambda \) is set up. If the distance between the points A and B is \( \frac{3\lambda}{4} \), then the phase difference between A and B is:
A massless spring of length \( l \) and spring constant \( k \) oscillates with a time period \( T \) when loaded with a mass \( m \). The spring is now cut into three equal parts and connected in parallel. The frequency of oscillation of the combination when it is loaded with a mass \( 4m \) is: \vspace{0.5cm}

The velocities of air above and below the surfaces of a flying aeroplane wing are 50 m/s and 40 m/s respectively. If the area of the wing is 10 m² and the mass of the aeroplane is 500 kg, then as time passes by (density of air = 1.3 kg/m³), the aeroplane will: 

Two closed pipes when sounded simultaneously in their fundamental modes produce 6 beats per second. If the length of the shorter pipe is 150 cm, then the length of the longer pipe is: \[ \text{(Speed of sound in air = 336 ms}^{-1}) \]

A straight wire carrying a current of \( 2\sqrt{2} \, \text{A} \) is making an angle of \( 45^\circ \) with the direction of a uniform magnetic field of \( 3 \, \text{T} \). The force per unit length on the wire due to the magnetic field is:
The ratio of the degrees of freedom of monatomic and diatomic gas molecules is:
When a diamagnetic substance of relative permeability \(0.5\) is filled inside a solenoid, then its self-inductance
The energy equivalent of \(3.2 \, \mu g\) of mass is
In a common emitter transistor circuit, if the emitter current is changed by 4 mA, the collector current changes by 3.5 mA, then the current gain is
The momentum of an electron is \(6.625 \times 10^{-28} \, kg \cdot ms^{-1}\). What is its wavelength in nm? - (Given: \( h = 6.625 \times 10^{-34} \, J \cdot s\))
The related effort to derive the properties of a bigger, more complex system from the properties and interactions of its constituent simpler parts is:
If the length of a string is \(P\) when the tension in it is 6 N and its length is \(Q\) when the tension in it is 8 N, then the original length of the string is:
If the temperature of a gas is increased from \( 27^\circ C \) to \( 159^\circ C \), the increase in the rms speed of the gas molecules is:
If a bar magnet of moment \( 10^{-4} \) Am\(^2\) is kept in a uniform magnetic field of \( 12 \times 10^{-3} \) T such that it makes an angle of \( 30^\circ \) with the direction of the magnetic field, then the torque acting on the magnet is:
The natural frequency of an LC circuit is 120 kHz. When the capacitor in the circuit is totally filled with a dielectric material, the natural frequency of the circuit decreases by 20 kHz. The dielectric constant of the material is:
A ball of mass 1.2 kg moving with a velocity of 12 ms\(^{-1}\) makes a one-dimensional collision with another stationary ball of mass 1.2 kg. If the coefficient of restitution is \( \frac{1}{\sqrt{2}} \), then the ratio of the total kinetic energy of the balls after the collision to the initial kinetic energy is
The difference between the fundamental frequencies of an open pipe and a closed pipe of the same length is 100 Hz. The difference between the frequencies of the second harmonic of the open pipe and the third harmonic of the closed pipe is:
The relation between the current \( i \) (in ampere) in a conductor and the time \( t \) (in second) is given by \( i = 12t + 9t^2 \). The charge passing through the conductor between the times \( t = 2 \, \text{s} \) and \( t = 10 \, \text{s} \) is.