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प्रश्न
A black body has maximum wavelength `lambda_"m"` at temperature 2200 K. wavelength at temperature 3300 K will be ______.
पर्याय
`2/3lambda_"m"`
`3/2lambda_"m"`
`9/4lambda_"m"`
`4/9lambda_"m"`
MCQ
रिकाम्या जागा भरा
उत्तर
A black body has maximum wavelength `lambda_"m"` at temperature 2200 K. wavelength at temperature 3300 K will be `underline (2/3lambda_"m"`.
Explanation:
`lambda_"m"` T = constant
`therefore lambda_"m"/lambda_"m" = "T"/"T'" = 2200/3300 =2/3`
`therefore lambda'_"m" = 2/3 lambda_"m"`
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Perfect Blackbody
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