Questions

The ball with which Table Tennis is played is called Ping Pong Ball.

According to the International rules, the diameter of the ping pong ball must be not less than 39.5 millimeters and not greater than 40.5  millimeters having a mass of 2.7 grams.

Raipur’s Swami Vivekananda Airport was ranked first in Customer Satisfaction Index (CSI) Survey among 49 airports in the country. It has achieved 4.84 score on a five point scale index. It was followed by Udaipur (2nd), Amritsar (3rd) and Dehradun (4th) airports which have scored 4.75, 4.74 and 4.73 respectively. This is third consecutive time in the past two years, Raipur airport has received this recognition.

Concave type of glasses are used in the headlights of the vehicles as the light from the bulb which is at focus will converges out and spreads and reflects back parallely.