List of top Physics Questions asked in TS EAMCET

A \(5\) kHz frequency signal is amplitude modulated on a carrier wave of frequency \(2\) MHz. - One possible frequency of the resultant signal is
A long solenoid of length \(75\) cm carries a current of \(3.5\) A. If the number of turns of the solenoid is \(600\), the magnitude of the magnetic field inside the solenoid is
Two identical balls having like charges placed at a certain distance apart, repel each other with a force \( F \). When they are brought in contact and then moved apart to a distance equal to half of their initial separation, the force of repulsion between them becomes \( 4.5F \). The ratio of the initial charges of the balls is:

Three logic gates are connected as shown in the figure. If the inputs are \( A = 0 \), \( B = 1 \), and \( C = 1 \), then the values of \( y_1 \), \( y_2 \), and \( y_3 \) are respectively:
 

A solid sphere at a temperature \( T \) K is cut into two hemispheres. The ratio of energies radiated by one hemisphere to the whole sphere per second is:
An element consists of a mixture of three isotopes A, B, and C of masses \( m_1 \), \( m_2 \), and \( m_3 \) respectively. If the relative abundances of the three isotopes A, B, and C is in the ratio 2:3:5, the average mass of the element is:
A uniform narrow tube of length one metre with one end closed contains 25 cm long mercury thread, which traps a column of air at the closed end. When the tube is held vertically with the open end up, the length of the air column near the closed end is 21 cm and when the tube is held horizontally, the length of the air column near the closed end is ‘L’. If the atmospheric pressure is equal to the pressure of 75 cm of mercury, then \( L \) is:
A body of mass 4 kg is falling freely from rest from a height of 30 m from the ground. If the velocity of the body when it is at a height of 10 m from the ground is 10 m/s\(^1\), then the loss of energy due to air resistance on the body is:

The resistance of a wire is \(2.5 \Omega\) at a temperature \(373 K\). If the temperature coefficient of resistance of the material of the wire is \(3.6 \times 10^{-3} K^{-1}\), its resistance at a temperature \(273 K\) is nearly: 

If you are using eyeglasses of power \( 2D \), your near point is:
The work functions of two photosensitive metal surfaces A and B are in the ratio 2:3. If x and y are the slopes of the graphs drawn between the stopping potential and frequency of incident light for the surfaces A and B respectively, then \(x : y\) is:

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: 

A body of mass 3 kg is thrown vertically upward from the ground with a velocity of \( 10 \, \text{ms}^{-1} \). If the maximum height reached by the body is 4.7 m, then the loss of energy due to air resistance is:
Four identical particles each of mass 'm' are kept at the four corners of a square of side 'a'. If one of the particles is removed, the shift in the position of the centre of mass is:

A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:

A prism having angle \(\theta\) and refractive index of the material of prism ‘n’ are related by \[ \theta = 2\sin^{-1} \left( \frac{1}{\sqrt{n^2 + 1}} \right) \] - If the angle of minimum deviation is \(60^\circ\), then the angle of the prism is
If the wavelength of the incident radiation on a photosensitive metal surface is decreased from \(3100 \, \text{Å}\) to \(1550 \, \text{Å}\), the maximum kinetic energy of the emitted photoelectrons is tripled. - The work function of the metal surface is
The operation of a nuclear reactor is said to be critical when the value of neutron multiplication factor \( K \) is
Pebbles are dropped freely for every half second into a river from a bridge above it. When the first pebble is about to strike the surface of the water, the fifth pebble is dropped. Then the height from the surface of the water from which the pebbles are dropped is (Acceleration due to gravity = 10 m/s²).
A storage battery of emf \(10V\) and internal resistance \(1 \Omega\) is being charged by a \(100V\) dc supply using a series resistor of \(17 \Omega\). - The terminal voltage of the battery during charging is
The excess pressure inside a soap bubble of radius 0.5 cm is balanced by the pressure due to an oil column of height 4 mm. If the density of the oil is 900 kg m\(^-3\), then the surface tension of the soap solution is:
Magnetic field on the axis of a short bar magnet of magnetic moment \( M \), at a distance \( x \) from its centre is:
After the decay of a single \( \beta^- \) particle, the parent and daughter nuclei are?
The region in the output voltage versus input voltage graph where a transistor can be used as an amplifier is?

The Brewster angle for air to glass transition of light is 
(Refractive index of glass = \( 1.5 \)