SCIENCE 10, 3RD MONTHLY (SCIENTISTS ONLY)

He filled a long glass tube about 1m long mercury. He then carefully inverted the tube and immersed the lower end in a vessel of mercury.

(a)  

A French mathematician and philosopher discovered the principle of transmitting fluid pressure.

(a)  

A Greek philosopher formulated a very important principle or law that govern bodies that are submerge in a fluid.

(a)  

In 1867 made the first prediction of radio waves. He also formulated the classical theory of electromagnetic radiation.

(a)  

In 1897 produces electromagnetic waves and the first to receive and send radio waves. In 1888 discovered and first demonstrated the existence of microwaves by building an apparatus that produce and detected microwaves in the UHF region.

(a)  

An Italian inventor sent and receive the first transatlantic wireless message.

(a)  

A German inventor and physicist awarded on the development of wireless telegraphy.

(a)  

Concluded that signals and messages can be transmitted without using a wire.

(a)  

They discovered accidentally the cosmic microwaves background radiation.

(a)  

An American engineer and inventor concluded that microwave could be a good energy source for heating food. He invented the microwaves.

(a)