Which of the following is the purpose of balance indicator in double b – McqOptions

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1.	Which of the following is the purpose of balance indicator in double beam photometer or colorimeter?
A.	Selects a particular wavelength
B.	Splits the wavelength selected into two equal beams
C.	Detects and indicates the amount of light falling on it
D.	Indicates the difference between the output of two photometers
Answer» E.

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