Optics Question 274

Question: Which of the following represents an infrared wavelength

[CPMT 1975; MP PET/PMT 1988]

Options:

A) $ {{10}^{-4}} $ cm

B) $ {{10}^{-5}} $ cm

C) $ {{10}^{-6}} $ cm

D) $ {{10}^{-7}} $ cm

Show Answer

Answer:

Correct Answer: A

Solution:

$ {{10}^{-4}} $ cm



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