When light rays move from one medium to another, they bend because of varying speeds in different mediums. What is this phenomenon called?
A dice has numbers 1, 2, 3, 4, 5 and 6 on its faces. Four positions of the dice are as shown below. The number on the face opposite to the face with number 2 is ____.
________ is known as the ‘Big B’ of the Indian film industry.
A A.R. Rahman
B Abhishek Bachchan
C Amitabh Bachchan
D Salman Khan