Question

holography is a powerful technique that produces___dimensional pictures​

Answer 1

The correct answer is three as such: Holography is a powerful technique that produces three-dimensional pictures.

What is holography?

• Holography uses wavefronts. These are captured or recorded.

• These can later be re-created to make dimensional images.

• It uses the principles of interference.
  

• A pattern is created by more than one coherent light beam.

• This phenomenon is diversely used in various applications.