Which of the following is the infrared ray wavelength? – McqOptions

MCQOPTIONS

1.	Which of the following is the infrared ray wavelength?
A.	\[{{10}^{-4}}\,cm\]
B.	\[{{10}^{-5}}\,cm\]
C.	\[{{10}^{-6}}\,cm\]
D.	\[{{10}^{-7}}\,cm\]
Answer» B. \[{{10}^{-5}}\,cm\]

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