How does continuous wedge filter differ from normal interference filte – McqOptions

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1.	How does continuous wedge filter differ from normal interference filter used in absorption spectroscopy?
A.	It permits continuous selection of different wavelength
B.	It allows narrow band of wavelengths to pass
C.	It has two semi-transparent layers of silver
D.	Space layer is made of a substance having low refractive index
Answer» B. It allows narrow band of wavelengths to pass

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