Selected MCQ

Current Question
What is the Roche limit?
  • A. The maximum stable orbit
  • B. The distance within which a body will break up due to tidal forces
  • C. The mass threshold for fusion in brown dwarfs
  • D. The speed of sound limit
Correct Answer: B
Explanation:
The Roche limit is where tidal forces would tear a satellite apart if it orbits closer than that to its planet.
Related Question 1
What does 'API rate limiting' help prevent in web services?
  • A. Unauthorized access
  • B. Excessive use of resources by a client
  • C. Data encryption
  • D. Server hardware failure
Correct Answer: B
Explanation:
Rate limiting controls how many requests a client can make, preventing resource overload.