2.0 directed by S. Shankar and starring Rajinikanth is a sequel to Enthiran (Robot in Hindi). Akshay Kumar stars as a scientist in this film, whose look and field of specialization was considered to be a tribute to an Indian scientist. Name the scientist.

This promotional poster of the 2012 blockbuster action film Thuppakki was believed to be inspired by the poster of a Hollywood film with an armed forces backdrop. Name the Hollywood film.

Name the noted Scottish actor who portrayed the role of a don in this 2021 Tamil action film?

Maanaadu is a 2021 science fiction action thriller film that has received rave reviews. The film uses the concept of _________ in an innovative fashion. __________ was also featured in the 2014 film starring Tom Cruise and Emily Blunt. Fill in the blank.

This scene from the 2013 action film Vishwaroopam features the use of a scientific principle which was in discussion at that time due to Edward Snowden reportedly asking his guests to hide their phones in a refrigerator. Name the scientific principle.