Physics · Special Relativity
How fast does a rocket have to move relative to an observer for its length to be contracted to 75% of its original length?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 10.4 c
- 20.5 c
- 30.66 c✓
- 40.3 c
Correct answer
0.66 c
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Special Relativity MCQs →Want more practice questions on Special Relativity?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Special Relativity