Tag: science & technology

RADAR is an acronym for Radio Detection and Ranging, which uses radio waves to detect and locate objects. Options A and B incorrectly say 'Rays' instead of 'Radio', while D has a typo saying 'Defection'.

Sardar Vallabhbhai Patel was independent India's first Deputy Prime Minister and Home Minister. He earned the title 'Iron Man of India' for his decisive role in integrating 562 princely states into the Indian Union after independence, demonstrating exceptional political will and administrative skill.

Kutty (P. Kutty Menon), Shankar (R. K. Laxman's colleague), Laxman (R. K. Laxman), and Sudhir Dar are all renowned Indian cartoonists known for their political and social commentary through editorial cartoons. They worked with major publications like The Hindu, Times of India, and Hindustan Times.

Shakuntala Devi (1929-2013) was known as the 'Human Computer' for her extraordinary mathematical calculation abilities. She could perform complex mental calculations instantly and famously beat computers in mathematical demonstrations, earning a place in Guinness World Records.

Jude Felix is a former Indian hockey player who represented India in international competitions. He was part of the Indian hockey team during the 1980s-1990s era, including the 1988 Seoul Olympics and 1990 Asian Games, continuing India's strong hockey tradition.

Rudyard Kipling was born in Bombay (now Mumbai) in 1865 and won the Nobel Prize in Literature in 1907, making him the first person born in India to receive a Nobel Prize. Rabindranath Tagore won in 1913, C.V. Raman in 1930, and Mother Teresa in 1979 - all later than Kipling. Note the question asks about birthplace, not nationality.

Australia was the first country to introduce polymer (plastic) notes in 1988, commemorating the bicentenary. The technology was developed by the Reserve Bank of Australia and CSIRO. Canada, China, and Japan all adopted plastic notes much later.

The famous analog Rolex clock is on the Centre Court at Wimbledon, installed in 1978. It is one of the few remaining public analog Rolex clocks and is an iconic part of the tennis venue. The Rolex factory and Swiss headquarters have digital systems, Louvre has no special Rolex installation, and the Indian Parliament does not feature a Rolex.

'CAIRO' was the codename for Microsoft Windows 95 during its development. Mac OS X was codenamed various names but not Cairo, Unix is not associated with a Cairo codename, and Windows XP was codenamed 'Whistler'. Cairo was an ambitious project that became Windows 95.

Marie Curie, along with her husband Pierre Curie, discovered radium in 1898. She was a pioneering physicist and chemist who conducted extensive research on radioactivity. Isaac Newton worked on gravity and calculus, Albert Einstein developed relativity theory, and Benjamin Franklin studied electricity.