Books and Authors
    Who wrote Al Manazir (Book of Optics)?
    Al Manazir (Book of Optics) is a seven-volume treatise on optics and other fields of study composed by the medieval Arab scholar Ibn al-Haytham, known in the West as Alhazen or Alhacen (965–c. 1040 AD). It is considered one of the most influential works on optics ever written, and it had a profound impact on the development of science and mathematics in the Islamic world and Europe.
    English Antonyms
    Antonym of BRAWL
    English Antonyms
    Antonym of ORIFICE
    Pakistan Daily Current Affairs
    Famous historian Gul Hassan Kalmati passed away on:
    One Word Substitution
    One who collects coins (one word substitution)
    Numismatist: Someone who collects and studies coins and currency. Numismatists may be interested in the history, art, or value of coins, and may collect them as a hobby or for investment purposes.
    Everyday Science
    The eclipse which occurs at night is:
    English Antonyms
    Antonym of ECLIPSE
    Everyday Science
    The eclipse which occurs in day time is:
    First in Pakistan
    The first rocket launched by Pakistan was:
    Currency of World Countries
    The currency of Sweden is: