List of top Physics Questions asked in CUET (UG)

Two coils have mutual inductance \(0.5\,\text{H}\). If the current in the primary coil changes at the rate of \(4\,\text{A s}^{-1}\), the induced emf in the secondary coil is

According to Bohr's atomic model, the angular momentum of an electron in the \(n^{\text{th}}\) orbit is

In an AC circuit containing a pure resistor, the phase difference between voltage and current is

A photon has energy \(6\,\text{eV}\). The corresponding work function of a metal is \(2\,\text{eV}\). The maximum kinetic energy of the emitted photoelectron is

A galvanometer of resistance \(50\,\Omega\) gives full-scale deflection when a current of \(2\,\text{mA}\) passes through it. The value of shunt resistance required to convert it into an ammeter of range \(2\,\text{A}\) is

Three capacitors have capacitances \(2\,\mu F\), \(4\,\mu F\) and \(8\,\mu F\). When they are connected in a way to give minimum capacitance, their effective capacitance is:

Four resistors of \(8\,\Omega\) each are connected in parallel. Then five such equivalent combinations are connected in series. What will be the total resistance?

A uniform wire of resistance \(R\) is cut into four equal parts. These parts are then connected in parallel. The equivalent resistance of the combination is:

A wire of uniform cross-section \(A\), length \(l\) and resistance \(R\) is bent into a complete circle. The equivalent resistance between any two diametrically opposite points will be:

A \(10\,pF\) capacitor is connected to a \(24\,V\) battery. The electrostatic energy stored in the capacitor is:

A \(12\,pF\) capacitor is connected to a \(50\,V\) battery. The electrostatic energy stored in the capacitor is:

A network of five capacitors is shown in the figure. The total charge stored in the network connected between \(A\) and \(B\) is:

In the figure given below, the resultant capacitance between points \(A\) and \(B\) is:

Four capacitors are connected in a circuit as shown in the figure. The effective capacitance between \(P\) and \(Q\) is:

Four capacitors are connected as shown in the figure. If \(C_1=2\,\mu F\), \(C_2=3\,\mu F\), \(C_3=5\,\mu F\) and \(C_4=10\,\mu F\), then the equivalent capacitance between points \(A\) and \(B\) is:

Assertion-Reason Type Question Assertion (A): In photoelectric effect, stopping potential depends upon frequency of incident radiation.
Reason (R): Maximum kinetic energy of emitted electrons increases with frequency. Choose the correct answer from the options given below:

A photon has energy \(6\text{ eV}\). Its frequency is approximately:

The magnifying power of a simple microscope increases when:

The focal length of a concave mirror is \(20\text{ cm}\). If the object is placed at \(30\text{ cm}\) from the mirror, the image distance will be:

Assertion-Reason Type Question Assertion (A): Torque acting on a current loop in a magnetic field is maximum when the plane of the loop is parallel to the magnetic field.
Reason (R): Torque on a magnetic dipole is given by: \[ \tau = MB\sin\theta \] where \(\theta\) is the angle between magnetic moment and magnetic field. Choose the correct answer from the options given below:

A proton and an alpha particle are accelerated through the same potential difference. The ratio of their kinetic energies will be:

The ratio of de Broglie wavelength of an electron to that of a proton moving with the same kinetic energy is:

Assertion-Reason Type Question Assertion (A): The magnetic field at the center of a circular current carrying loop is directly proportional to the current flowing through it.
Reason (R): According to Biot–Savart’s law, magnetic field produced by a current element is proportional to the current element. Choose the correct answer from the options given below: