Gems called rubies are used in lasers. true or false

2 answers:

8 0

True. There are such things as ruby lasers that use a synthetic ruby crystal as its gain medium.

4 0

The answer you are looking for is true

You might be interested in

sdas [7]

D) Calcium

hope this helps :)

3 0

3 years ago

ioda

Answer:

CnH2n-2

im pretty sure thats the answer

5 0

2 years ago

Sergeu [11.5K]

Explanation:

ooohhhh it's free points,,,thank you mwahhh hahahahahaha jokeee

sorry I don't have any ideas

4 0

3 years ago

julsineya [31]

88383838882828282829928282992928283838388383839292

7 0

2 years ago

leonid [27]

Answer: Endothermic reaction.

Explanation: A chemical reaction in which energy is absorbed from the surrounding environment.

4 0

3 years ago