Question

The spectral range of NIR region in the EMS is ________________________.
(a.) 700 – 900nm
(b.) 700 – 1250nm
(c.) 700 – 1500nm
(d.) 700 – 2000nm

Answer 1

The spectral range of NIR region in the EMS is 700 – 1250 nm.

Option: (b)

Explanation:  

• NIR stands for Near Infrared Region which is a type of electromagnetic radiation that uses infrared radiation as its source.  

• It lies before MIR, mid infrared region. Infrared lights are not visible to human eye as they have wavelength in the range of nanometer where nano represents 10-9.  

• IR finds applications where direct contact with the system is not possible. NIR wavelength corresponds from 700 – 1250 nm.

Learn more about spectral range of NIR region

The spectral range of NIR region in the EMS is

(a.) 700 - 900nm

(b.) 700 - 1250nm

(c.) 700 - 1500nm

(d.) 700 - 2000nm​

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The wavelength range of the visible spectrum extends from violet (400 nm) to red (750 nm). Express these wavelengths in frequencies (Hz). (1nm = 10 –9 m)

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