Multiple choice general knowledge sports

Out of the following, what was introduced at Wimbledon 2009?

  1. Hawk Eye

  2. Highly Sensitive Radar Guns for Service Speeds measurement

  3. Artificial turf

  4. Retractable Roof over the centre court
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wimbledon introduced the retractable roof over Centre Court in 2009 to prevent rain delays that had plagued the tournament for years. The roof takes about 10 minutes to close and allows play to continue during rain showers. Hawk-Eye was introduced earlier (2002), radar guns for serve speeds were already in use, and artificial turf has never been used at Wimbledon.

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