Volume 2 primarily covers Electromagnetism, Optics, and Modern Physics, which are critical sections for competitive success: Current Electricity
Not everyone is a fan. Some argue that GRB Vol 2 is needlessly difficult—more about mathematical trickery than physical insight. A 2021 analysis in the European Journal of Physics criticized the series for including problems that require knowing “non-obvious substitutions” (e.g., using $\int \fracdxx = \ln x$ in relativistic rocket equations where a simpler energy argument would suffice).
Do not open GRB Vol 2 until you have completed:
"A metallic rod of length L rotates about an axis perpendicular to a uniform magnetic field B. If the angular velocity is ω, find the induced EMF between the center and one end. Furthermore, if the resistivity varies along the length, derive the current density."
The library air was stale, a mixture of aging paper, dust, and the distinct, metallic ozone smell of overheating laptops. It was 2:00 AM, three days before the International Physics Olympiad (IPhO) selection test.