1.

Which of the following option is correct for the given statements?
Statement 1: End and wavelength standards can be compared without any mechanical movement.

A. nStatement 2: Indirect comparison of line standard and wavelength standard involves movement.
B. Only statement 1 is true
C. Only statement 2 is true
D. Both the statements are true
E. Both the statements are not true
Answer» D. Both the statements are true


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