>
AP EAPCET
>
Physics
List of top Physics Questions asked in AP EAPCET
If B is magnetic field and q is the charge then the following represents the Gauss's law of magnetism
AP EAPCET - 2023
AP EAPCET
Physics
Magnetism and matter
A circular coil of radius 10 cm and resistan of $2~\Omega$ is plad with its plane perpendicular to the horizontal component of the earth's magnetic field. It is rotated about its vertical diameter through $180^\circ$ in 0.25 s. If the magnitude of the indud emf is $3.8 \times 10^{-3} \text{ V}$, then the number of turns of the coil is (Horizontal component of earth's magnetic field at the pla is $3 \times 10^{-5} \text{ T}$)
AP EAPCET - 2023
AP EAPCET
Physics
Electromagnetic induction
An inductor of inductan L, a capacitor of capacitan C and a resistor of resistan R are connected in series to an ac sour. The quality factor of the circuit is
AP EAPCET - 2023
AP EAPCET
Physics
AC Circuits
Photoelectrons are emitted with maximum velocity $v$ when light of frequency $3f$ incidents on a photosensitive material of work function $2hf$. If the frequency of the incident light is $4.25 f$, the maximum velocity of the emitted photoelectrons is (h -- Planck's constant)
AP EAPCET - 2023
AP EAPCET
Physics
Photoelectric Effect
If '$\mu$' is the magnetic moment of an electron revolving around hydrogen nucleus in an orbit of principal quantum number 'n', then
AP EAPCET - 2023
AP EAPCET
Physics
Atomic Physics
A radioactive decay forms an isotope of the original nucleus with the emission of the following particles
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
Digital signal
AP EAPCET - 2023
AP EAPCET
Physics
Semiconductor electronics: materials, devices and simple circuits
If a physical quantity ‘Q’ is defined in terms of moment of inertia ‘I’, force ‘F’, velocity ‘V’, work ‘W’ and length ‘L’ as \[ Q = \frac{IFV^2}{WL^3} \] then ‘Q’ is
AP EAPCET - 2023
AP EAPCET
Physics
Units, Dimensions and Measurements
A juggler throws balls vertically into the air such that he throws the next ball when the previous one is at its highest point. If he throws 3 balls each second, then the maximum height reached by each ball is
(Acceleration due to gravity \(g = 10~\text{ms}^{-2}\))
AP EAPCET - 2023
AP EAPCET
Physics
Motion in a straight line
A solid sphere of mass \( M \) and radius \( R \) is free to rotate about an axis passing through its centre. A solid cylinder of mass \( \frac{M}{2} \) and radius \( R \) is free to rotate about its standard axis of symmetry. Initially both the sphere and the cylinder are at rest. If torques of equal magnitude are applied to the sphere and the cylinder, the ratio of the angular speeds acquired by the sphere and the cylinder after a given time is
AP EAPCET - 2023
AP EAPCET
Physics
Rotational motion
A wire of length 0.1\(\pi\) m having linear density \( \frac{1}{\pi} \) kg m\(^{-1}\) is bent in the form of a ring. The moment of inertia of the ring about an axis passing through its centre and perpendicular to its plane is
AP EAPCET - 2023
AP EAPCET
Physics
Rotational motion
The part of the stress-strain curve where the Hooke's Law is valid is
AP EAPCET - 2023
AP EAPCET
Physics
thermal properties of matter
Two soap bubbles of radii \( r_1 \) and \( r_2 \) in vacuum coalesce isothermally to form a new bubble. The radius of the new soap bubble is
AP EAPCET - 2023
AP EAPCET
Physics
thermal properties of matter
If the percentage increase in the pressure of a given mass of gas in a container at constant temperature is 100%, then its volume
AP EAPCET - 2023
AP EAPCET
Physics
Gas laws
Three charges \(+Q\), \(q\), \(+Q\) are placed respectively, at distances \(0\), \(\frac{d}{2}\), and \(d\) from the origin on the x-axis. If the net force experienced by \(+Q\) placed at \(x = 0\) is zero, then the value of \(q\) is
AP EAPCET - 2023
AP EAPCET
Physics
Electrostatics
A conducting sphere of radius \(R\) carrying a charge \(Q\) lies concentrically inside an uncharged conducting shell of radius \(2R\). If they are joined by a metal wire, then the charge flowing to the shell and the amount of heat produced are respectively:
AP EAPCET - 2023
AP EAPCET
Physics
Electrostatics
If \(n\), \(e\), \(\tau\), and \(m\) represent the concentration, the charge, the relaxation time, and the mass of an electron in a metal, then the resistance of a wire made of the metal of length \(l\) and cross-sectional area \(A\) is:
AP EAPCET - 2023
AP EAPCET
Physics
Current electricity
If the magnetic field is along the positive y-axis and the electron is moving along the positive x-axis, the direction of force on the electron is
AP EAPCET - 2023
AP EAPCET
Physics
Magnetic Effects of Current and Magnetism
Two photons each of energy \(2~\text{eV}\) incident simultaneously on a photosensitive material of work function \(3~\text{eV}\). The maximum kinetic energy of the emitted photoelectrons is
AP EAPCET - 2023
AP EAPCET
Physics
Photoelectric Effect
An electron in the ground state of hydrogen atom absorbs \(10.2~\text{eV}\) energy. The orbital angular momentum of the electron increases by
AP EAPCET - 2023
AP EAPCET
Physics
Bohr’s Model for Hydrogen Atom
If the speed of light was half the present value, the energy released in a nuclear reaction decreases by
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
In the given logic circuit, if A and B are the inputs, then P and Q are respectively
\
AP EAPCET - 2023
AP EAPCET
Physics
Logic gates
In a transistor amplifier, the voltage gain is
AP EAPCET - 2023
AP EAPCET
Physics
Amplifiers
The total energy of an electron in an orbit of hydrogen atom is \( E \). The potential energy of the electron in the same orbit is
AP EAPCET - 2023
AP EAPCET
Physics
Atomic Physics
Two metal wires of same length, same area of cross-section have conductivities of their material \( \sigma_1 \) and \( \sigma_2 \). If they are connected in series, the effective conductivity is:
AP EAPCET - 2023
AP EAPCET
Physics
Electricity
Prev
1
...
66
67
68
69
70
...
107
Next