Angle of glass plate reflector in N.P.L. interferometer - Metrology & Quality Control

Q.  At which angle does a glass plate reflector set in N.P.L. interferometer?
- Published on 07 Aug 15

a. 30o
b. 45o
c. 60o
d. 90o



  • Sravanthi   -Posted on 26 Oct 15
    The glass plate reflector is set at an angle of 45° to the optical axis.

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