Which of the following is the incorrect condition for a perfectly flat surface when tested for interferometry?

Question

TuteeHUB · Accepted Answer

For perfect flat surface alternate light and dark bands are observed

TuteeHUB · Answer

Monochromatic light is used

TuteeHUB · Answer

Viewing angle should be greater than 0o

TuteeHUB · Answer

Optical flats are important in light wave measurement

TuteeHUB · Answer

For perfect flat surface alternate light and dark bands are observed

1.	Which of the following is the incorrect condition for a perfectly flat surface when tested for interferometry?
A.	Monochromatic light is used
B.	Viewing angle should be greater than 0<sup>o</sup>
C.	Optical flats are important in light wave measurement
D.	For perfect flat surface alternate light and dark bands are observed
Answer» D. For perfect flat surface alternate light and dark bands are observed

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