The discovery of X-rays or Roentgen by means of Wilhelm Konrad Roentgen in 1895 drew Beckrel’s interest to the phenomenon of fluorescence.
Phosphorescence and fluorescence are phenomena wherein certain substances keep strength after being exposed to visible or invisible mild or different factors inclusive of surprise or heat, after which emit it as a spectrum of seen waves.
The difference among those two phenomena is inside the time between receiving and radiation, or in other phrases, within the durability of radiation. If the excitation time is less than one 2nd, we name the phenomenon fluorescence, and if it's miles extra than that, we call it phosphorescence.
In one in all his research, Becquerel, who worked on the phenomenon of fluorescence, placed some uranium-containing material on black paper beneath a sensitive photographic display screen and uncovered it to sunlight.
Becquerel believed that sunlight could not bypass thru black paper, but if X-rays have been present within the fluorescence produced by the fabric, it may affect the photographic screen. After preventing his work, he located photographic plates containing a few uranium in his desk drawer. Some days later, whilst he determined to display the snap shots, he observed that the display screen was blackened via a completely strong ray. Further studies through Beckler in this area caused the discovery of radioactive elements.
Becquerel knowledgeable the Academy of Sciences of his discovery on February 24 of that yr.
Nobel Prizes are not prizes offered to each person underneath any occasions. Founded in 1895 by way of Swedish inventor and human rights activist Alfred Nobel, the award acknowledges and recognizes advances in technology and way of life, literature, peace, economics, chemistry, physics and remedy.
All of those awards need to go to people except the Nobel Peace Prize, which also can be presented to businesses. Prizes are every now and then offered to numerous people, but by law these humans ought to no longer exceed three.
Seeing that 1901, when the first Nobel Prize changed into provided, 549 Nobel Prizes have been offered The phenomenon of radioactivity to 853 individuals or groups, with more than one Nobel Prize. The Nobel Prize is offered yearly, however the prize will not be provided to all and sundry who has now not carried out so in the course of the yr wherein he or she is eligible to obtain the prize.
The Nobel Prizes are very valuable, but even more precious are the works that brought about the Nobel Prize. Nobel laureates are thinkers who've dedicated their lives to revealing the secrets of human lifestyles, they have got helped to promote human collective intelligence, and some of them have converted human life thru their studie