F: History of Light

Question 1

the earliest form of artificial light
discovered by our ancestors likely
around 400,000 years ago.

Answer 1

Fire

Question 2

crafted from hollowed-out stones or shells, filled with moss soaked in animal fat and ignited. created 70,000 yrs ago

Answer 2

First Primitive Oil lamps

Question 3

were use in Ancient Egypt around 3,000 B.C. They were made from animal fat and wicks of papyrus or flax.

Answer 3

Candles

Question 4

was used for lighting during the late 18th century

Answer 4

Coal Gas

Question 5

was introduced in London in the year 1802. Gas lighting was used
in Baltimore and New York in the year 1817 and 1823, respectively

Answer 5

Gas Lighting

Question 6

Sir Humphrey Davy developed this in 1801.

Answer 6

electric arc lamp

Question 7

In 1852, Sir George G. Stokes discovered that fluorescence can be introduced n certain substances by stimulation with

Answer 7

Ultraviolet light

Question 8

constructed a fluorescent lamp similar to those made nowadays.

Answer 8

A. E. Becquerel

Question 9

inverted the mercury vapor electric lamp in
1903.

Answer 9

Peter Cooper Hewitt

Question 10

In 1979, an American inventor developed
the first practical incandescent lamp.

Answer 10

Thomas Alva Edison

Question 11

invented the neon lamp in 1911

Answer 11

Andre Claude

Question 12

And 1957, General Electric Corporation produced tungstenhalogen lamps, also known as

Answer 12

Quartz Lamps