Verified Solution • 2025–26 Session moderate

QAIPM-2000-Ph-3018: NEET 2000 Physics - Class 11 AIPM-2000-Ph-3018 Solution: A black body has maximum wavelength \( _m\) at 2000 K. Its…

A black body has maximum wavelength λm\lambda_m at 2000 K. Its corresponding wavelength at 3000 K will be

Multiple Choice Options

  • A 32λm\frac{3}{2}\lambda_m
  • B 23λm\frac{2}{3}\lambda_m
  • C 1681λm\frac{16}{81}\lambda_m
  • D 8116λm\frac{81}{16}\lambda_m

Step-by-Step Verified Solution

According to Wein's displacement law, _ m T = 2.88 _ 10 �3 When T = 2000 K, _ m (2000) = 2.88 _ 10 �3    ....(1) When T = 3000 K, _ m _ (3000) = 2.88 _ 10 �3     ....(2) Dividing (1) by (2), 2 3 _ m _ m _ = 1 _ _ m _ m _ = 3 2 _ _ m _ = 2 3 _ m

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