Question

whatdoes NP and L mean in NPL gauge interferometer​

Answer 1

Answer:

N, P and L in N.P.L. Gauge interferometer indicate National Physics Laboratory. - N.P.L. flatness interferometer is used to check flatness of an interferometer. - Pitter - N.P.L.

Explanation:

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Answer 2

Answer:

N, P and L in N.P.L. Gauge interferometer indicate National Physics Laboratory.

Explanation:

N means NATIONAL , P means PHYSICS, L means LABORATORY.

• N, P and L in N.P.L. Gauge interferometer indicate National Physics Laboratory.
• N.P.L. flatness interferometer is used to check flatness of an interferometer.
• Pitter - N.P.L. Gauge interferometer is used to measure actual length of gauges.