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11.Thermodynamics
normal

કાળા પદાર્થની $2000 K $ તાપમાને મહતમ તરંગલંબાઇ $\lambda_m$ છે તો $3000 K $ તાપમાને મહતમ તરંગલંબાઇ કેટલી થશે ?

A

$\frac{3}{2}{\lambda _m}$

B

$\frac{2}{3}{\lambda _m}$

C

$\frac{4}{9}{\lambda _m}$

D

$\frac{9}{4}{\lambda _m}$

Solution

${\lambda _{{m_2}}} = \frac{{{T_1}}}{{{T_2}}} \times {\lambda _{{m_1}}}\,\, = \frac{{2000}}{{3000}} \times {\lambda _{{m_1}}} = \frac{2}{3}{\lambda _{{m_1}}} = \frac{2}{3}{\lambda _m}$

Standard 11
Physics

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