List of top Physics Questions asked in AP EAPCET

A person walks up an escalator at rest in a time of 60 s. When standing on the same escalator now moving with a uniform speed, he is carried up in a time of 30 s. The time taken for him to walk up the moving escalator is
If a body is projected horizontally from a height of 50 m with a speed of 20 m/s, then its speed after a time of 1.5 s is
(Acceleration due to gravity \( g = 10\ \text{m/s}^2 \))
In a transistor, if the emitter and collector currents are respectively 2 mA and 1.95 mA, then the base current is
If the radius of a circular coil is doubled and the number of turns is halved, then the magnetic field at the centre of the coil for the same current is
If a particle of mass \( 6 \times 10^{-30} \) kg is moving with a speed of \( 5.5 \times 10^5 \text{ m s}^{-1} \), then the de Broglie wavelength of the particle is
(Planck's constant = \( 6.6 \times 10^{-34} \text{ J s} \))
The current in a coil decreases from 5 A to zero in a time of 0.1 s. If an average emf of 200 V is induced, then the self inductance of the coil is
In a hydrogen atom, if an electron makes a transition from the fourth orbit to the second orbit, then the wavelength of the emitted radiation is: (R = Rydberg constant)
If the Wheatstone bridge shown in the figure is balanced, then the value of R is
Wheatstone bridge
In the given circuit, if the current through 4 $\Omega$ resistor is zero, then the value of the resistance $R$ is:
current through 4 Ω resistor is zero,
If the charge on a capacitor of capacitance 15 $\mu$F is 300 $\mu$C, then the energy stored in the capacitor is:
A sphere of radius R and charge 'Q' is placed inside an imaginary sphere of radius 2R such that the centres of two spheres coincide. The electric flux linked with the imaginary sphere is
If the coefficient of performance of a refrigerator is 5 and the temperature inside it is -20 °C, then the temperature of its surroundings is
500 g of water at a temperature of 73 °C is mixed with 45 g of steam at a temperature of 100 °C. The ratio of the initial mass of steam and the mass of steam at equilibrium of the mixture is
The heat to be supplied to 20 g of oxygen to increase its temperature from 27 $^\circ$C to 59 $^\circ$C at constant pressure is (Universal gas constant = 8.3 J mol$^{-1}$ K$^{-1}$)
If two rain drops of radii $r_1$ and $r_2$ reach the ground with terminal velocities $v_1$ and $v_2$ and linear momenta $p$ and $32p$ respectively, then $r_1 : r_2 =$
If the equation representing the relation between displacement 'x' and velocity 'v' of a particle executing simple harmonic motion is $4v^2 = 25 - x^2$, then the time period of the particle is (All the quantities in the equation are in SI units)
A simple pendulum of length 1m is released from horizontal position. If 20% its initial energy is lost due to air resistance in reaching the mean position, then the speed of the bob of the pendulum at mean position is (Acceleration due to gravity = 10 m s\textsuperscript{-2})
A swimmer who can swim in still water at a speed of 20 kmph wants to cross a river flowing at speed of 10 kmph along shortest path, then the angle with the direction of flow in which he has to swim is
A body moving along a straight line path travels first 10 m distance in a time of 3 seconds and the next 10 m distance with a velocity of 5 m s\textsuperscript{-1}. The average velocity of the body is
If a bullet of mass 2 g travels with velocity of 3 × 103 cm s-1, its wavelength (in m) is: (h = 6.6 × 10-34 Js)

If the junction diodes $D_1$ and $D_2$ in the given circuit are ideal, then the forward biased resistance and reverse biased resistance is infinity:

The magnetic field at the centre of a circular coil of radius 10 cm, having 250 turns and carrying a current of \(\frac{8}{\pi}\) A is:

If five parallel plate capacitors are connected to the battery of 240 V as shown in the figure, the charge on 1$\mu$F capacitor is:

Three point charges +Q and +q are placed on x-axis at distances 0, d/2, and d respectively from the origin. If the resultant electrostatic force on the charge +Q placed at x = 0 is zero, then the value of q is:

Two moles of an ideal gas undergoes a cyclic process as shown in the figure. If AB is an isothermal process at 223 $^\circ$C, then the net work done in the complete cycle is nearly: (Universal gas constant = 8.3 J mol$^{-1}$ K$^{-1}$ and take ln(2) = 0.7)