Jee Advanced 2025 - Paper 1

The center of a disk of radius $r$ and mass $m$ is attached to a spring of spring constant $k$, inside a ring of radius

In a scattering experiment, a particle of mass $2m$ collides with another particle of mass $m$, which is initially at re

A conducting square loop initially lies in the $XZ$ plane with its lower edge hinged along the $X$-axis. Only in the reg

Figure 1 shows the configuration of main scale and Vernier scale before measurement. Fig. 2 shows the configuration corr

A conducting square loop of side $L$, mass $M$ and resistance $R$ is moving in the $XY$ plane with its edges parallel to

Length, breadth and thickness of a strip having a uniform cross section are measured to be $10.5$ cm, $0.05$ mm, and $6.

Consider a system of three connected strings, $S_1$, $S_2$ and $S_3$ with uniform linear mass densities $\mu$ kg/m, $4\m

A person sitting inside an elevator performs a weighing experiment with an object of mass $50$ kg. Suppose that the vari

A cube of unit volume contains $35 \times 10^7$ photons of frequency $10^{15}$ Hz. If the energy of all the photons is v

Two identical plates P and Q, radiating as perfect black bodies, are kept in vacuum at constant absolute temperatures $T

A solid glass sphere of refractive index $n = \sqrt{3}$ and radius $R$ contains a spherical air cavity of radius $\frac{

A single slit diffraction experiment is performed to determine the slit width using the equation, $\frac{bd}{D} = m\lamb

Consider an electron in the $n = 3$ orbit of a hydrogen-like atom with atomic number $Z$. At absolute temperature $T$, a

List-I shows four configurations, each consisting of a pair of ideal electric dipoles. Each dipole has a dipole moment o

A circuit with an electrical load having impedance $Z$ is connected with an AC source as shown in the diagram. The sourc

List-I shows various functional dependencies of energy ($E$) on the atomic number ($Z$). Energies associated with certai