Which statement about a conventional optical transmission hologram is false?
Question and options
Which statement about a conventional optical transmission hologram is false?
A laser can supply coherent light to record it.
It can be viewed without projecting the image onto a separate screen.
Its reconstructed image can show depth.
The holographic recording generates its own light.
Answer and explanation
Correct answer: D - The holographic recording generates its own light.
A conventional transmission hologram needs external illumination to reconstruct the wavefront. The reconstructed view can show depth without a separate projection screen. A laser can supply the coherent light used to make the recording.
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