What Will Be the Peak Wavelength of Electromagnetic Radiation Emitted $\lambda$

question 191

Multiple Choice

What will be the peak wavelength of electromagnetic radiation emitted by a piece of iron that is just melting at a temperature of 1808 K? (Use Wien's law, which relates the peak wavelength $\lambda$ _max emitted by a body to its temperature T, and see Figure 4-2) (1 $\mu$ m = 10^-6 m) .

• A) 16 \(\mu\)m, intermediate infrared
• B) 1.89 \(\mu\)m, near infrared
• C) 1.6 \(\mu\)m, near infrared
• D) 1.04 \(\mu\)m, very near infrared

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