Narlikar Exercises & Solutions
Worked solutions across the Narlikar collection — special relativity, GR, cosmology, gauge theory, quantum cosmology, and the Hoyle–Burbidge–Narlikar alternative cosmology programme.
J. V. Narlikar · Cambridge University Press / D. Reidel / Jones & Bartlett
Chapter
Ch. 1: Special Relativity — Foundations
Exercise 1 / 5
Two inertial frames $S$ and $S'$ are in standard configuration with relative velocity $v$. A rod of proper length $L_0$ lies along the $x'$-axis in $S'$. Show that its length measured in $S$ is $L = L_0\sqrt{1-v^2/c^2}$, and discuss the reciprocity of this contraction.
1 of 5
An Introduction to Relativity · Cambridge University Press, 2010