List of top Physics Questions asked in AP EAPCET

When a light ray incidents on an equilateral prism of material of refractive index $\sqrt{2}$, the angle of minimum deviation is D. If the light ray incidents on another equilateral prism of material of refractive index $\sqrt{3}$, then the angle of minimum deviation is:
Electric flux through cube of side 'a' enclosing charge 'q' is:
The mass and length of a string are 10 g and 100 cm respectively. If the tension in the string is increased from 400 N to 900 N, then the increase in the frequency of transverse vibration of the string is:
If the mean free path of a nitrogen molecule in a vessel containing nitrogen at a pressure of 2.1 atm and a temperature of $27^{\circ}C$ is $\lambda$, then its mean free path at a pressure of 1.65 atm and a temperature of $57^{\circ}C$ is:
A Carnot engine having an efficiency of 20 % is used as a refrigerator. If the amount of heat absorbed from the reservoir at low temperature is 200 J, then the work done on the refrigerator is:
During an adiabatic process, if the volume of 4 moles of a monoatomic gas initially at a temperature of $127^{\circ}C$ increases by 7 times, then the work done by the gas is:
Initially a body is at a temperature of $50^{\circ}C$. If the temperature of the body is increased by $54^{\circ}F$, then its final temperature will be:
A metal ball of emissivity 4/7 and surface area 100 $cm^2$ is at a temperature of $127^{\circ}C$. If the temperature of the surroundings is $27^{\circ}C$, then the rate of loss of heat of the ball is:
A metallic wire of density $\rho$ is placed horizontally on the surface of a liquid with surface tension $T$. What is the maximum radius the wire can have so that it remains supported by surface tension?
A rocket is fired vertically from the surface of the earth with quarter the escape speed. If R is radius of the earth, the maximum altitude reached by the rocket is:
For a body in simple harmonic motion. Potential energy (PE), Kinetic energy (KE), Total energy (TE) are measured as a function of displacement x. Which of the following statements is true?
A particle executes simple harmonic motion with time period 'T' and amplitude 'a'. The magnitude of average velocity of the particle over the time interval during which it travels a distance from extreme position to a/2 is:
A thin square shaped copper plate of uniform mass distribution of side 4 m has its centre of mass at (2, 2). If at its top right corner, a square of 2 m side is cut from the plate, the centre of mass of the remaining plate is:
A solid sphere and a thin circular ring of same mass and same radii are in rotational motion with same angular speeds about their diameters. Find the ratio of works done to stop them, $W_{sphere} / W_{ring}$:
The work done in stretching a wire by 1 mm is 2 J. The work necessary for stretching another wire of the same material but triple the radius and one third of length by 1 mm is:
A man weighing 80 kg is standing on a trolley weighing 320 kg. The trolley is resting on frictionless horizontal rails. If the man starts walking on the trolley with a speed of 1 $ms^{-1}$, then after 4 seconds his displacement relative to the ground will be:
A block of mass m = 0.1 kg is released from a height of 4 m on a curved smooth surface. On the horizontal surface, path AB is smooth and path BC is rough with a coefficient of friction, $\mu = 0.1$. If the impact of the block with the vertical wall at C is perfectly elastic, the total distance covered by the block on the horizontal surface before coming to rest will be:
A 15 W machine used $(3i + 5j + 6k)$ N force for 6 seconds to lift a body through a distance of X m along x - axis. The value of X is:
A ball of mass 100 g is projected with velocity 20 $ms^{-1}$ at $60^{\circ}$ with horizontal. The decrease in kinetic energy of the ball during its entire upward journey is:
A body of mass 3 kg is under a force, which causes a displacement in it given by $S = \frac{t^3}{3}$ (in m). Find the work done by the force in first 2 seconds:
A motor boat covers a given distance in 6 hours moving down stream in a river. It covers the same distance in 10 hours moving upstream. The time it takes to cover the same distance in still water is:
From the point of view of significant figures, which of the following is/are correct? (i) $1.3~cm + 4~cm = 15.3~cm$ (ii) $4.53~m - 1.2~m = 3.3~m$ (iii) $5.45~kg - 3.2~kg = 2.25~kg$ (iv) $4.8~cm + 48.6~cm = 133~cm$
A particle initially at rest starts moving from origin along X - axis with velocity 'V' that varies as $V = 2\sqrt{x}~ms^{-1}$. The acceleration of the particle in $ms^{-2}$ is:
The atomic number (Z) of a hydrogen like atom whose shortest wavelength of Brackett Series is same as the shortest wavelength of Balmer series of hydrogen atom is
If $f_{m}$ is a modulating frequency and $f_{c}$ is carrier wave frequency, then Bandwidth in Amplitude Modulated wave is