On May 13, 1897, Marconi sent the first wireless communication over sea for a distance of kilometers.
five
six
seven
four
Who invented television ?
J L Baird
Marconi
Alexander Graham Bell
Karl Ferdinand Braun
On Marconi sent the first wireless communication over sea for a distance of six kilometers.
May 13, 1897
May 12, 1897
March 13, 1897
May 13, 1898
The used pigeons for sending messages about two thousand years ago.
Prussians
Romans
Greeks
Americans
Who among the following painters made all his personal notes in mirror writing ?
Robert Taylor
Picasso
M F Hussain
Leonardo da Vinci
The first stamp of independent India was issued on
21 November, 1947.
22 November, 1947
21 November, 1948
22 November, 1948
The most famous use of pigeon post happened in Paris at the time of the war in 1870- 71.
Franco- Russian
Prussian- American
Franco- American
Franco - Prussian
J L Baird was bestowed with the honor of being one of the ten greatest Scottish scientists in history in
2000
2003
2005
2006
What was the nationality of Samuel Morse ?
American
German
Roman
Russian
The credit for inventing the first practical telephone goes to
Stephen Fleming