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*help FAST* !15 pts! What is needed to build a laser? A. a concave lens and a convex lens that are fully reflective. B. Two partially reflective mirrors C. Two fully reflective mirrors D. A partially reflective
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*help FAST* !15 pts!

What is needed to build a laser?

A. a concave lens and a convex lens that are fully reflective.
B. Two partially reflective mirrors
C. Two fully reflective mirrors
D. A partially reflective mirror and a fully relfective mirror.

User Anxo P
by
7.7k points

2 Answers

3 votes

Answer:

I believe it is A but I'm not sure

User Khalil Khalaf
by
8.2k points
6 votes
i believe a but none sound like they’d build a laser
User Aditya Pratap Singh
by
9.0k points
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