WHICH_OF_THE_FOLLOWING_OPTION_IS_CORRECT_ABOUT_WAVELENGTH_STANDARD??$ – McqOptions

MCQOPTIONS

1.	WHICH_OF_THE_FOLLOWING_OPTION_IS_CORRECT_ABOUT_WAVELENGTH_STANDARD??$
A.	Wavelength does not depend upon the amount of isotope impurity
B.	Solid state lasers having high intrinsic noise can be used to study new lines
C.	Krypton 86 is produced by neutron bombardment of gold
D.	Cadmium 114 is the secondary international length standard
Answer» E.

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Which of the following is not correct about wavelength standard?