Using Planck's formula, derive the approximate expressions for the space spectral density \( u_{... VIDEO
Using Planck's formula, derive the approximate expressions for the space spectral density \( u_{\oplus} \) of radiation
in the range where \( \hbar \omega \ll k T \) (Rayleigh-Jeans formula);
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live
Other Videos By PW Solutions 2022-12-01 Ratio of rms velocities of oxygen to that of sulphur dioxide at the same temperature is
(A) \( 0... 2022-12-01 'рд╡реАрдирд╕ рдлреНрд▓рд╛рдИ рдЯреНрд░реИрдк' рдореЗрдВ рдХреАрдЯреЛрдВ рдХреЛ рдкрдХрдбрд╝ рд╕рдХрдиреЗ рдХреА рдХреНрд╖рдорддрд╛ рдХрд┐рд╕рдХреЗ рдХрд╛рд░рдг рд╣реЛрддреА рд╣реИ?
(A) рддреАрд╡реНрд░ рд╕реНрдлреАрддрд┐ рджрд╛рдм рдкрд░рд┐... 2022-12-01 \( P Q \) is a tower standing on a horizontal plane. \( Q \) being its foot; \( A \) and \( B \)... 2022-12-01 A tower subtends an angle \( \alpha \) at a point on the same level as the foot of the tower, an... 2022-12-01 40 litres of nitrogen at \( 400 \mathrm{~K} \) was cooled by \( 50^{\circ} \) without change in ... 2022-12-01 рдпрджрд┐ \( a, b, c \) рд╕рдорд╛рдиреНрддрд░ рд╢реНрд░реЗрдгреА рдореЗрдВ рд╣реИрдВ рддрдерд╛ рдпреЗ рдЧреБрдгреЛрддреНрддрд░ рд╢реНрд░реЗрдгреА рдореЗрдВ рднреА рд╣реИрдВ, рддреЛ рд╕рд╣реА рдХрдерди рд╣реИ-
(A) \... 2022-12-01 For 1 mole of gas at constant volume \( V \), graph of \( \log P \) versus \( \log T \) is plott... 2022-12-01 Which of the following is a bacterial plant disease?
(A) Tikka disease of groundnut
(B) Downy mi... 2022-12-01 If \( 200 \mathrm{~cm}^{3} \) gas at \( 1 \mathrm{~atm} \) is compressed to \( 50 \mathrm{~cm}^{... 2022-12-01 Evaluate \[ \int \frac{\sqrt{x^{2}-a^{2}}}{x} d x \] 2022-12-01 Using Planck's formula, derive the approximate expressions for the space spectral density \( u_{... 2022-12-01 Explain the following:
(iii) A solution of ferric chloride acidified with \( \mathrm{HCl} \) is ... 2022-12-01 Compare the structures of \( \mathrm{H}_{2} \mathrm{O} \) and \( \mathrm{H}_{2} \mathrm{O}_{2} \). 2022-12-01 \[ 16+8+4 \ldots \infty \] рд╢реНрд░реЗрдгрд┐рдпреЛрдВ рдХрд╛ рдЕрдирдиреНрдд рдкрджреЛрдВ рддрдХ рдпреЛрдЧ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП 2022-12-01 According to the mode of respiration, bacteria can be aerobic or anaerobic. Each of them is furt... 2022-12-01 The Bohr-orbit radius for the hydrogen atom \( (n=1) \) is approximately \( 0.53 \AA \). The rad... 2022-12-01 рдпрджрд┐ \( a, b, c \) рдЧреБрдгреЛрддреНрддрд░ рд╢реНрд░реЗрдврд╝реА рдореЗрдВ рд╣реИрдВ, рддреЛ рд╕рд┐рджреНрдз рдХреАрдЬрд┐рдП рдХрд┐-
\[
a^{2} b^{2} c^{2}\left(\frac{1... 2022-12-01 An alcohol, on dehydration, produces an alkene which on ozonolysis yields two molecules of aceta... 2022-12-01 The number of possible diatomic molecules of hydrogen (considering all its isotopic forms) is
(A... 2022-12-01 Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason (R)... 2022-12-01 Define atomic mass unit. What is the mass of one atom of \( \mathrm{C}-12 \) in grams?