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AP EAPCET
List of top Questions asked in AP EAPCET
Match the following
List-I (Molecule)
List-II (Dipole moment in D)
A) \( \text{HCCl} \)
I) \( 1.85 \, \text{D} \)
B) \( \text{NH}_3 \)
II) \( 1.07 \, \text{D} \)
C) \( \text{H}_2\text{O} \)
III) \( 0.23 \, \text{D} \)
D) \( \text{NF}_3 \)
IV) \( 1.47 \, \text{D} \)
AP EAPCET - 2025
AP EAPCET
Chemistry
Inorganic chemistry
Which of the following sets are correctly matched?
Molecule
Number of lone pairs of electrons on central atom
Hybridization
I) \( \text{PCF}_3 \)
1
\( \text{sp}^3 \)
II) \( \text{SO}_2 \)
2
\( \text{sp}^2 \)
III) \( \text{SF}_4 \)
2
\( \text{sp}^3d^2 \)
IV) \( \text{CF}_4 \)
2
\( \text{sp}^3 \)
AP EAPCET - 2025
AP EAPCET
Chemistry
Inorganic chemistry
When current in a coil changes from 2 A to 5 A in a time of 0.3 s, if the emf induced in the coil is 40 mV, then the self-inductance of the coil is
AP EAPCET - 2025
AP EAPCET
Physics
Electromagnetic induction
In a series LCR circuit, the voltages across the capacitor, resistor, and inductor are in the ratio 2:3:6. If the voltage of the source in the circuit is 240 V, then the voltage across the inductor is
AP EAPCET - 2025
AP EAPCET
Physics
Electromagnetic induction
If a 10 W bulb emits electromagnetic waves uniformly in all directions, then the intensity of light at a distance 0.5 m from the source is nearly
AP EAPCET - 2025
AP EAPCET
Physics
Electromagnetic waves
The ratio of de Broglie wavelengths associated with thermal neutrons at temperatures 127°C and 352°C is
AP EAPCET - 2025
AP EAPCET
Physics
Photoelectric Effect
The ratio of the time periods of the revolution of the electrons in the second and third excited states of hydrogen atom is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
If the surface areas of two nuclei are in the ratio 9 : 49, then the ratio of their mass numbers is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear Force
In the given options, the diode that is forward biased is
AP EAPCET - 2025
AP EAPCET
Physics
Semiconductors
A capacitor of capacitance 2 μF is charged with the help of a 60 V battery. After disconnecting the battery, if this capacitor is connected in parallel with another uncharged capacitor of capacitance 1 μF, then the potential difference across the plates of the 2 μF capacitor is
AP EAPCET - 2025
AP EAPCET
Physics
Capacitance
The readings of the voltmeter and ammeter in the circuit shown in the diagram are respectively
AP EAPCET - 2025
AP EAPCET
Physics
Power in Electric Circuits
When two identical batteries of internal resistance 1 Ω each are connected in series across a resistor R, the rate of heat produced in R is P1. When the same batteries are connected in parallel across R, the rate of heat produced is P2. If P1 = 2P2, then the value of R is
AP EAPCET - 2025
AP EAPCET
Physics
Power in Electric Circuits
The magnetic field at the center of a long solenoid having 400 turns per unit length and carrying a current $I = 6.24 \times 10^{-7
$ A is}
AP EAPCET - 2025
AP EAPCET
Physics
Magnetism and matter
If a proton of kinetic energy 8.35 MeV enters a uniform magnetic field of 10 T at right angles to the direction of the field, then the force acting on the proton is
AP EAPCET - 2025
AP EAPCET
Physics
Magnetism and matter
If the rms speed of the molecules of a diatomic gas at a temperature of 322K is 2000 m/s, then the gas is
AP EAPCET - 2025
AP EAPCET
Physics
The Kinetic Theory of Gases
The equation of a transverse wave propagating along a stretched string of length 80 cm is $y = 1.5 \sin ( (5 \times 10^3)x + 20t )$, here 'x' and 'y' are in cm and the time 't' is in seconds. If the mass of the string is 3 g, then the tension in the string is
AP EAPCET - 2025
AP EAPCET
Physics
Mechanics and wave Motion
When an object is placed in front of a convex mirror at a distance 'u' from the pole of the mirror such that the size of the image is 'n' times that of the object, then the object distance 'u' is
AP EAPCET - 2025
AP EAPCET
Physics
Wave optics
A narrow slit of width 2 mm is illuminated with monochromatic light of wavelength 500 nm. If the distance between the slit and the screen is 1 m, then first minima are separated by a distance of
AP EAPCET - 2025
AP EAPCET
Physics
Polarization
The force between two conducting spheres of same radius having charges +8 μC and -4 μC separated by some distance in air is F. If the spheres are connected by a conducting wire and after some time the wire is removed, then the magnitude of the force between the two conducting spheres is
AP EAPCET - 2025
AP EAPCET
Physics
Electrostatics
The potential energy of a satellite of mass \( m \) revolving around the earth at a height of \( R \) from the surface of the earth is:
AP EAPCET - 2025
AP EAPCET
Physics
Satellite Motion and Angular Momentum
When the temperature increases, the viscosity of
AP EAPCET - 2025
AP EAPCET
Physics
Fluid Mechanics
If a body cools from a temperature of 62°C to 50°C in 10 minutes and to 42°C in the next 10 minutes, then the temperature of the surroundings is
AP EAPCET - 2025
AP EAPCET
Physics
Thermodynamics
If the ratio of universal gas constant and specific heat capacity at constant volume of a gas is given by 0.67, then the gas is
AP EAPCET - 2025
AP EAPCET
Physics
Thermodynamics
The internal energy of 4 moles of a monoatomic gas at a temperature of 77°C is
AP EAPCET - 2025
AP EAPCET
Physics
Thermodynamics
If 5.6 liters of a monoatomic gas at STP is adiabatically compressed to 0.7 liters, then the work done on the gas is nearly
AP EAPCET - 2025
AP EAPCET
Physics
Thermodynamics
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