In a one-dimensional chain of atoms, the phonon energy dispersion is given by E = A|sin(ka)|. Here, A is a constant, k is a wave vector in reciprocal space, and a is the lattice spacing. The density of states is proportional to:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?