List of top Physics Questions asked in AP EAPCET

The electric field in a region of space is given by $ \vec{E} = (5\, \text{N/C})\,x\,\hat{i} $. Consider point A on the y-axis at $ y = 5\, \text{m} $ and point B on the x-axis at $ x = 2\, \text{m} $. If the potentials at A and B are $ V_A $ and $ V_B $ respectively, then $ (V_B - V_A) $ is:
Two short magnets with equal dipole moments $ M $ are placed perpendicularly at their centers. The magnitude of the magnetic field at a distance $ d $ from the center on the bisector of the right angle is:

In the given circuit, the values of $ I_1, I_2, I_3 $ are respectively:

The resistance of a wire at $ 0^\circ \text{C} $ is $ 20\, \Omega $. If the temperature coefficient of resistance is $ 5 \times 10^{-3}\, ^\circ \text{C}^{-1} $, at what temperature will the resistance double?
A large number of positive charges, each of magnitude $ q $, are placed along the x-axis at the origin and at every 1 cm distance in both directions. The electric flux through a spherical surface of radius 2.5 cm centered at the origin is:
Two cars are moving towards each other at the speed of $ 50\, \text{m/s} $. If one of the cars blows a horn at a frequency of $ 250\, \text{Hz} $, what is the wavelength of the sound perceived by the driver of the other car?
(Speed of sound in air = $ 350\, \text{m/s} $)
The number of rotational degrees of freedom of a diatomic molecule is:
A needle is lying at the bottom of a water tank of height $ 12\, \text{cm} $. The apparent depth of the needle measured by a microscope is $ 9\, \text{cm} $. If the water is replaced by a liquid of refractive index 1.5 (same height), the distance through which the microscope has to be moved to focus the needle again is:
The slopes of the isothermal and adiabatic $ p \text{-} v $ graphs of a gas are $ S_I $ and $ S_A $ respectively. If the heat capacity ratio of the gas is $ \gamma = \frac{3}{2} $, then $ \frac{S_I}{S_A} = $ ?
In Young’s double slit experiment, light of wavelength $ 5000\, \text{Å} $ is used. The slit separation is $ 3\, \text{mm} $, and the screen is $ 20\, \text{cm} $ away. If a $ 1\, \text{mm} $ transparent plate is introduced in front of one slit, and the fringe pattern shifts by $ 6\, \text{mm} $, then the refractive index of the plate is:
5 g of ice at $ -30^\circ \text{C} $ and 20 g of water at $ 35^\circ \text{C} $ are mixed in a calorimeter. The final temperature of the mixture is:
(Neglect heat capacity of the calorimeter. Specific heat capacities: ice = $ 0.5 \, \text{cal/g}^\circ\text{C} $, water = $ 1 \, \text{cal/g}^\circ\text{C} $, latent heat of fusion of ice = $ 80 \, \text{cal/g} $)
If the amplitude of a lightly damped oscillator decreases by $ 1.5% $, then the mechanical energy of the oscillator lost in each cycle is:
The work done by a Carnot engine operating between $ 300\, \text{K} $ and $ 400\, \text{K} $ is $ 400\, \text{J} $. The energy exhausted by the engine is:
Two wires A and B of same cross-section are connected end to end. When same tension is created in both wires, the elongation in B is twice that of A. If $ L_A $ and $ L_B $ are initial lengths and the Young's modulus are: $$ Y_A = 2 \times 10^{11} \text{ Nm}^{-2}, \quad Y_B = 1.1 \times 10^{11} \text{ Nm}^{-2} $$ Then the ratio $ \frac{L_A}{L_B} $ is:

A hydraulic lift is shown in the figure. The movable pistons A, B and C are of radius 10 cm, 100 cm and 5 m respectively. If a body of mass 2 kg is placed on piston A, the maximum masses that can be lifted by pistons B and C are respectively:

Statement (A): Two artificial satellites revolving in the same circular orbit have the same period of revolution.
Statement (B): The orbital velocity is inversely proportional to the square root of the radius of the orbit.
Statement (C): The escape velocity of a body is independent of the altitude of the point of projection.
An iron sphere of diameter $ D $ and mass $ M $ is immersed in hot water, causing its temperature to rise by $ \Delta T $. If $ \alpha $ is the coefficient of linear expansion, the change in surface area of the sphere is:
A solid cylinder of radius $ R $ is at rest at a height $ h $ on an inclined plane. If it rolls down, then its velocity on reaching the ground is:

A small disc of mass $ m $ slides down with initial velocity zero from the top (A) of a smooth hill of height $ H $, having a horizontal portion (BC) as shown in the figure. If the height of the horizontal portion of the hill is $ h $, then the maximum horizontal distance covered by the disc from the point D is

A block of mass $ 50\, \text{kg} $ is pulled at a constant speed of $ 4\, \text{m/s} $ across a horizontal floor by an applied force of $ 500\, \text{N} $ directed $ 30^\circ $ above the horizontal. The rate at which the force does work on the block in watts is:
A particle is executing simple harmonic motion with instantaneous displacement: $$ x = A \sin^2\left( \omega t - \frac{\pi}{4} \right) $$ The time period of oscillation of the particle is:
A body is travelling with $ 10\, \text{m/s} $ on a rough horizontal surface. Its velocity after $ 2\, \text{s} $ is $ 4\, \text{m/s} $. The coefficient of kinetic friction between the block and the plane is
(acceleration due to gravity = $ 10\, \text{m/s}^2 $)
Ball A of mass $ 1\, \text{kg} $ moving along a straight line with a velocity of $ 4\, \text{m/s} $ hits another ball B of mass $ 3\, \text{kg} $ which is at rest. After collision, they stick together and move with the same velocity along the same straight line. If the time of impact of the collision is $ 0.1\, \text{s} $, then the force exerted on B is:
If two vectors $ \vec{A} $ and $ \vec{B} $ are mutually perpendicular, then the component of $ \vec{A} \cdot \vec{B} $ along the direction of $ \vec{A} + \vec{B} $ is
The energy $ E $ of a system is a function of time $ t $ and is given by: $$ E(t) = \alpha t - \beta t^3 $$ where $ \alpha $ and $ \beta $ are constants. Find the dimensions of $ \alpha $ and $ \beta $.