Who invented the electromagnetic waves?
J.C. Bose
Marconi
William
Alex.C
Name the instrument used to bring out the feelings or sensations of plant is
Altimeter
Crescograph
Telescope
Microscope
When was Vikram. A. Sarabhai born?
1919
1920
1930
Who established Indian space research institute
Jagadish Chandra Bose
Vikram.A. Sarabhai
Yuri gagarin
Aryabhatta
When did Jagadish Chandra Bose was born?
1858
1851
1853
1860
