Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Classical Mechanics Special Theory of Relativity
A meter stick is at an angle of 45° to the x - axis in its rest frame. The rod moves with a speed of \(\frac{1}{\sqrt2}\) C along the +x - direction w.r.t. a frame S . The length of the rod in S is
1
\(\frac{\sqrt3}{2}\) metres
2
\(\frac{\sqrt5}{3}\) metres
3
\(\frac{\sqrt2}{3}\)
4
\(\frac{2}{3}\)