MPSC Rajyaseva 2024 GS Paper 1 — Question 53
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खालीलतील तापमानावर (300 के) वस्तुद्वारे उत्सर्जित होणाऱ्या औषणीय प्रारणासाठी महत्वपूर्ण योगदान तरंगलांबी किती असते ? / At room temperature (300k), what is the significant contribution wavelength for the thermal radiation emitted by a body ?
1)500 नॅनो मीटर / 500 nm
2)9550 नॅनो मीटर / 9550 nm✓ Correct
3)1500 नॅनो मीटर / 1500 nm
4)3000 नॅनो मीटर / 3000 nm
According to Wien's displacement law, for a body at room temperature (300 K), the peak wavelength of emitted thermal radiation lies in the infrared region around 9550 nanometers.
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