List of top Physics Questions asked in AP EAMCET

In a spring-block system as shown in the figure, if the spring constant \( K = 9 \, {N/m} \), then the time period of oscillation is:
The condition \( dw = dq \) holds good in the following process:
A solid cylinder rolls down on an inclined plane of height \( h \) and inclination \( \theta \). The speed of the cylinder at the bottom is:
The maximum height attained by the projectile is increased by 10% by keeping the angle of projection constant. What is the percentage increase in the time of flight?
Inner shell electrons in atoms moving from one energy level to another lower energy level produce:

In the given circuit, if the potential at point B is 24 V, the potential at point A is: 

A proton and an alpha particle moving with energies in the ratio \( 1:4 \) enter a uniform magnetic field of 37 T at right angles to the direction of the field. The ratio of the magnetic forces acting on the proton and the alpha particle is:
A charged particle moving along a straight-line path enters a uniform magnetic field of \( 4 \) mT at right angles to the direction of the magnetic field. If the specific charge of the charged particle is \( 8 \times 10^7 \) C/kg, the angular velocity of the particle in the magnetic field is:
Pure silicon at 300K has equal electron and hole concentration of \( 1.5 \times 10^{16} \) m\(^{-3}\). If the hole concentration increases to \( 3 \times 10^{22} \) m\(^{-3}\), then the electron concentration in the silicon is:
When a wave enters into a rarer medium from a denser medium, the property of the wave which remains constant is:
The efficiency of a Carnot engine is found to increase from 25% to 40% on increasing the temperature (\(T_1\)) of the source alone through 100 K. The temperature (\(T_2\)) of the sink is given by:
The surface areas of two nuclei are in the ratio \( 9:25 \). The mass numbers of the nuclei are in the ratio:
The focal length of the objective lens of a telescope is 30 cm and that of its eye lens is 3 cm. It is focused on a scale at a distance 2 m from it. The distance of the objective lens from the eye lens to see the clear image is:
In a common emitter amplifier, a.c. current gain is 40 and input resistance is 1 kΩ. The load resistance is given as 10 kΩ. Then the voltage gain is:
The ground state energy of hydrogen atom is -13.6 eV. The potential energy of the electron in this state is:
A solid sphere of mass 50 kg and radius 20 cm is rotating about its diameter with an angular velocity of 420 rpm. The angular momentum of the sphere is:
The masses of a solid cylinder and a hollow cylinder are 3.2 kg and 1.6 kg respectively. Both the solid cylinder and hollow cylinder start from rest from the top of an inclined plane and roll down without slipping. If both the cylinders have equal radius and the acceleration of the solid cylinder is \( 4 { ms}^{-2} \), the acceleration of the hollow cylinder is:

Heat energy absorbed by a system going through the cyclic process shown in the figure is: 

A body of mass 1.5 kg is moving towards south with a uniform velocity of \( 8 { ms}^{-1} \). A force of \( 6 \) N is applied to the body towards east. The displacement of the body 3 seconds after the application of the force is:
When a convex lens is immersed in two different liquids of refractive indices 1.25 and 1.5, the ratio of the focal lengths of the lens is 5:16. The refractive index of the material of the lens is:
Two light waves of intensities \( I \) and \( 2I \) superimpose on each other. If the path difference between the light waves reaching a point is 12.5% of the wavelength of the light, then the resultant intensity at the point is (Both the light waves have the same wavelength)
If a slit of width \( x \) was illuminated by red light having wavelength \( 6500 \) Å, the first minima was obtained at \( \theta = 30^\circ \). Then the value of \( x \) is:
A person can see objects clearly when they lie between 40 cm and 400 cm from his eye. In order to increase the maximum distance of distant vision to infinity, the type of lens and power of correction lens required respectively are:

The mass 'm' oscillates in simple harmonic motion with an amplitude 'A' as shown in the figure. 
The amplitude of point \(P\) is 

 


 

The vertical extension in a light spring by a weight of 1 kg suspended from the lower end is 9.8 cm. The time period of oscillation of the spring is: